diff --git a/Somfy.cpp b/Somfy.cpp
index 5c3a45b..e72b320 100644
--- a/Somfy.cpp
+++ b/Somfy.cpp
@@ -764,7 +764,9 @@ bool SomfyGroup::hasShadeId(uint8_t shadeId) {
 }
 bool SomfyShade::isAtTarget() { return this->currentPos == this->target && this->currentTiltPos == this->tiltTarget; }
 bool SomfyRemote::hasSunSensor() { return (this->flags & static_cast<uint8_t>(somfy_flags_t::SunSensor)) > 0;}
+bool SomfyRemote::hasLight() { return (this->flags & static_cast<uint8_t>(somfy_flags_t::Light)) > 0; }
 void SomfyRemote::setSunSensor(bool bHasSensor ) { bHasSensor ? this->flags |= static_cast<uint8_t>(somfy_flags_t::SunSensor) : this->flags &= ~(static_cast<uint8_t>(somfy_flags_t::SunSensor)); }
+void SomfyRemote::setLight(bool bHasLight ) { bHasLight ? this->flags |= static_cast<uint8_t>(somfy_flags_t::Light) : this->flags &= ~(static_cast<uint8_t>(somfy_flags_t::Light)); }
 void SomfyGroup::updateFlags() { 
   this->flags = 0;
   for(uint8_t i = 0; i < SOMFY_MAX_GROUPED_SHADES; i++) {
@@ -1217,16 +1219,16 @@ void SomfyShade::emitState(const char *evt) { this->emitState(255, evt); }
 void SomfyShade::emitState(uint8_t num, const char *evt) {
   char buf[420];
   if(this->tiltType != tilt_types::none)
-    snprintf(buf, sizeof(buf), "{\"shadeId\":%d,\"type\":%u,\"remoteAddress\":%d,\"name\":\"%s\",\"direction\":%d,\"position\":%d,\"target\":%d,\"mypos\":%d,\"myTiltPos\":%d,\"tiltType\":%u,\"tiltDirection\":%d,\"tiltTarget\":%d,\"tiltPosition\":%d,\"flipCommands\":%s,\"flipPosition\":%s,\"flags\":%d,\"sunSensor\":%s}", 
+    snprintf(buf, sizeof(buf), "{\"shadeId\":%d,\"type\":%u,\"remoteAddress\":%d,\"name\":\"%s\",\"direction\":%d,\"position\":%d,\"target\":%d,\"mypos\":%d,\"myTiltPos\":%d,\"tiltType\":%u,\"tiltDirection\":%d,\"tiltTarget\":%d,\"tiltPosition\":%d,\"flipCommands\":%s,\"flipPosition\":%s,\"flags\":%d,\"sunSensor\":%s,\"light\":%s}", 
       this->shadeId, static_cast<uint8_t>(this->shadeType), this->getRemoteAddress(), this->name, this->direction, 
       this->transformPosition(this->currentPos), this->transformPosition(this->target), this->transformPosition(this->myPos), this->transformPosition(this->myTiltPos), static_cast<uint8_t>(this->tiltType), this->tiltDirection, 
       this->transformPosition(this->tiltTarget), this->transformPosition(this->currentTiltPos),
-      this->flipCommands ? "true" : "false", this->flipPosition ? "true": "false", this->flags, this->hasSunSensor() ? "true" : "false");
+      this->flipCommands ? "true" : "false", this->flipPosition ? "true": "false", this->flags, this->hasSunSensor() ? "true" : "false", this->hasLight() ? "true" : "false");
   else
-    snprintf(buf, sizeof(buf), "{\"shadeId\":%d,\"type\":%u,\"remoteAddress\":%d,\"name\":\"%s\",\"direction\":%d,\"position\":%d,\"target\":%d,\"mypos\":%d,\"tiltType\":%u,\"flipCommands\":%s,\"flipPosition\":%s,\"flags\":%d,\"sunSensor\":%s}", 
+    snprintf(buf, sizeof(buf), "{\"shadeId\":%d,\"type\":%u,\"remoteAddress\":%d,\"name\":\"%s\",\"direction\":%d,\"position\":%d,\"target\":%d,\"mypos\":%d,\"tiltType\":%u,\"flipCommands\":%s,\"flipPosition\":%s,\"flags\":%d,\"sunSensor\":%s,\"light\":%s}", 
       this->shadeId, static_cast<uint8_t>(this->shadeType), this->getRemoteAddress(), this->name, this->direction, 
       this->transformPosition(this->currentPos), this->transformPosition(this->target), this->transformPosition(this->myPos), 
-      static_cast<uint8_t>(this->tiltType), this->flipCommands ? "true" : "false", this->flipPosition ? "true": "false", this->flags, this->hasSunSensor() ? "true" : "false");
+      static_cast<uint8_t>(this->tiltType), this->flipCommands ? "true" : "false", this->flipPosition ? "true": "false", this->flags, this->hasSunSensor() ? "true" : "false", this->hasLight() ? "true" : "false");
   if(num >= 255) sockEmit.sendToClients(evt, buf);
   else sockEmit.sendToClient(num, evt, buf);
   if(mqtt.connected()) {
@@ -2129,6 +2131,7 @@ bool SomfyShade::fromJSON(JsonObject &obj) {
   if(obj.containsKey("bitLength")) this->bitLength = obj["bitLength"];
   if(obj.containsKey("proto")) this->proto = static_cast<radio_proto>(obj["proto"].as<uint8_t>());
   if(obj.containsKey("sunSensor")) this->setSunSensor(obj["sunSensor"]);
+  if(obj.containsKey("light")) this->setLight(obj["light"]);
   if(obj.containsKey("shadeType")) {
     if(obj["shadeType"].is<const char *>()) {
       if(strncmp(obj["shadeType"].as<const char *>(), "roller", 7) == 0)
@@ -2189,6 +2192,7 @@ bool SomfyShade::toJSONRef(JsonObject &obj) {
   obj["proto"] = static_cast<uint8_t>(this->proto);
   obj["flags"] = this->flags;
   obj["sunSensor"] = this->hasSunSensor();
+  obj["hasLight"] = this->hasLight();
   obj["repeats"] = this->repeats;
   SomfyRemote::toJSON(obj);
   return true;
@@ -2226,6 +2230,7 @@ bool SomfyShade::toJSON(JsonObject &obj) {
   obj["flipPosition"] = this->flipPosition;
   obj["inGroup"] = this->isInGroup();
   obj["sunSensor"] = this->hasSunSensor();
+  obj["light"] = this->hasLight();
   obj["repeats"] = this->repeats;
   
   SomfyRemote::toJSON(obj);
diff --git a/Somfy.h b/Somfy.h
index 21d2f2e..c435d43 100644
--- a/Somfy.h
+++ b/Somfy.h
@@ -142,8 +142,10 @@ enum class somfy_flags_t : byte {
     SunFlag = 0x01,
     SunSensor = 0x02,
     DemoMode = 0x04,
+    Light = 0x08,
     Windy = 0x10,
-    Sunny = 0x20
+    Sunny = 0x20,
+    Lighted = 0x40
 };
 struct somfy_frame_t {
     bool valid = false;
@@ -192,7 +194,9 @@ class SomfyRemote {
     virtual uint16_t getNextRollingCode();
     virtual uint16_t setRollingCode(uint16_t code);
     bool hasSunSensor();
+    bool hasLight();
     void setSunSensor(bool bHasSensor);
+    void setLight(bool bHasLight);
     virtual void sendCommand(somfy_commands cmd);
     virtual void sendCommand(somfy_commands cmd, uint8_t repeat);
     void repeatFrame(uint8_t repeat);
diff --git a/SomfyController.ino.esp32.bin b/SomfyController.ino.esp32.bin
index 6e4183c..bc9990e 100644
Binary files a/SomfyController.ino.esp32.bin and b/SomfyController.ino.esp32.bin differ
diff --git a/SomfyController.littlefs.bin b/SomfyController.littlefs.bin
index fc51d12..054d268 100644
Binary files a/SomfyController.littlefs.bin and b/SomfyController.littlefs.bin differ
diff --git a/data/icons.css b/data/icons.css
index 0197c52..de5022a 100644
--- a/data/icons.css
+++ b/data/icons.css
@@ -714,7 +714,34 @@ i.icss-garage {
         background-color: rgba(71, 212, 255, 0);
         background-position:left bottom;
     }
+i.icss-lightbulb-o {
+    width: .35em;
+    height: .1em;
+    border-radius: .1em;
+    margin: .7em .325em .2em;
+    box-shadow: 0 .13em, 0 .19em 0 -.03em, 0 .22em 0 -0.035em;
+}
 
+    i.icss-lightbulb-o:before {
+        width: .65em;
+        height: .65em;
+        border-width: 0.068em;
+        border-style: solid;
+        border-radius: 100% 100% 100% .2em;
+        background-color: transparent;
+        left: 50%;
+        transform: translateX(-50%) rotate(-45deg);
+        bottom: .11em;
+    }
+
+    i.icss-lightbulb-o:after {
+        width: .25em;
+        height: .2em;
+        border-radius: 100%;
+        box-shadow: inset -0.05em 0.05em;
+        left: .1em;
+        top: -.5em;
+    }
 i.icss-upload {
     width: 1em;
     height: .6em;
@@ -932,6 +959,32 @@ i.icss-sun-o {
         transform: translate(-50%, -50%) rotate(45deg);
         box-shadow: .45em 0, .38em 0, -.45em 0, -.38em 0, 0 .45em, 0 .38em, 0 -.45em, 0 -.38em;
     }
+div.button-light {
+    position:absolute;
+    margin-left:-30px;
+    cursor:pointer;
+}
+    div.button-light[data-on=false] i.icss-lightbulb-o:before {
+        background-color:lightgray;
+    }
+    div.button-light[data-on=true] i.icss-lightbulb-o:before {
+        background-color: yellow;
+    }
+
+    div.button-light > i.icss-lightbulb-c {
+        position: absolute;
+        font-size: 18px;
+        color: orange;
+        left: 6px;
+        top: 7px;
+    }
+
+    div.button-light > i.icss-lightbulb-o {
+        position: absolute;
+        font-size: 32px;
+        color: gray;
+    }
+
 
 div.button-sunflag {
     position: relative;
@@ -942,7 +995,6 @@ div.button-sunflag {
         background-image: radial-gradient(ellipse at center, gainsboro 1%, #ccc 39%, silver 39%, gray 100%);
     }
 
-
     div.button-sunflag > i.icss-sun-c {
         position: absolute;
         font-size: 18px;
diff --git a/data/index.html b/data/index.html
index ef7e685..37706d6 100644
--- a/data/index.html
+++ b/data/index.html
@@ -378,6 +378,12 @@
                                     <label for="cbHasSunSensor" style="display:block;font-size:1em;margin-top:0px;margin-left:7px;display:inline-block;">Has Sun Sensor</label>
                                 </div>
                             </div>
+                            <div id="divLightSwitch" style="margin-top:-10px;">
+                                <div class="field-group">
+                                    <input id="cbHasLight" name="hasLight" data-bind="light" type="checkbox" style="" />
+                                    <label for="cbHasLight" style="display:block;font-size:1em;margin-top:0px;margin-left:7px;display:inline-block;">Has Light</label>
+                                </div>
+                            </div>
                             <div style="margin-top:-10px;">
                                 <div class="field-group" style="display:inline-block">
                                     <input id="cbFlipCommands" name="flipCommands" data-bind="flipCommands" type="checkbox" style="" />
diff --git a/data/index.js b/data/index.js
index e10e12e..db83aa4 100644
--- a/data/index.js
+++ b/data/index.js
@@ -1983,6 +1983,7 @@ class Somfy {
             }
             divCtl += '</div>';
             divCtl += `<div class="shadectl-buttons" data-shadeType="${shade.shadeType}">`;
+            divCtl += `<div class="button-light cmd-button" data-cmd="light" data-shadeid="${shade.shadeId}" data-on="${shade.flags & 0x08 ? 'true' : 'false'}" style="${!shade.light ? 'display:none' : ''}"><i class="icss-lightbuld-c"></i><i class="icss-lightbulb-o"></i></div>`;
             divCtl += `<div class="button-sunflag cmd-button" data-cmd="sunflag" data-shadeid="${shade.shadeId}" data-on="${shade.flags & 0x01 ? 'true' : 'false'}" style="${!shade.sunSensor ? 'display:none' : ''}"><i class="icss-sun-c"></i><i class="icss-sun-o"></i></div>`;
             divCtl += `<div class="button-outline cmd-button" data-cmd="up" data-shadeid="${shade.shadeId}"><i class="icss-somfy-up"></i></div>`;
             divCtl += `<div class="button-outline cmd-button my-button" data-cmd="my" data-shadeid="${shade.shadeId}" style="font-size:2em;padding:10px;"><span>my</span></div>`;
@@ -2010,6 +2011,9 @@ class Somfy {
                     if (new Date().getTime() - this.btnDown > 2000) event.preventDefault();
                     else this.sendCommand(shadeId, cmd);
                 }
+                else if (cmd === 'light') {
+                    event.currentTarget.setAttribute('data-on', !makeBool(event.currentTarget.getAttribute('data-on')));
+                }
                 else if (cmd === 'sunflag') {
                     if (makeBool(event.currentTarget.getAttribute('data-on')))
                         this.sendCommand(shadeId, 'flag');
@@ -2040,6 +2044,7 @@ class Somfy {
                         }, 2000);
                     }
                 }
+                else if (cmd === 'light') return;
                 else if (cmd === 'sunflag') return;
                 else if (makeBool(elShade.getAttribute('data-tilt'))) {
                     this.btnTimer = setTimeout(() => {
@@ -2420,6 +2425,7 @@ class Somfy {
         let sel = document.getElementById('selShadeType');
         let tilt = parseInt(document.getElementById('selTiltType').value, 10);
         let sun = true;
+        let light = false;
         let ico = document.getElementById('icoShade');
         let type = parseInt(sel.value, 10);
         document.getElementById('somfyShade').setAttribute('data-shadetype', type);
@@ -2459,6 +2465,7 @@ class Somfy {
                 if (ico.classList.contains('icss-awning')) ico.classList.remove('icss-awning');
                 if (ico.classList.contains('icss-shutter')) ico.classList.remove('icss-shutter');
                 if (!ico.classList.contains('icss-garage')) ico.classList.add('icss-garage');
+                light = true;
                 sun = false;
                 tilt = false;
                 break;
@@ -2476,6 +2483,7 @@ class Somfy {
         document.getElementById('divLiftSettings').style.display = tilt === 3 ? 'none' : '';
         document.querySelector('#divSomfyButtons i.icss-window-tilt').style.display = tilt ? '' : 'none';
         document.getElementById('divSunSensor').style.display = sun ? '' : 'none';
+        document.getElementById('divLightSwitch').style.display = light ? '' : 'none';
     }
     onShadeBitLengthChanged(el) {
         document.getElementById('somfyShade').setAttribute('data-bitlength', el.value);