1、WiFi dimmer switch can used with incandescent lamps, halogen lamps, iodine tungsten lamps, resistance reduction voltage LED lamps, stepless dimmer LED lamps, with a dimmable LED bulb that can be dimmed with WiFi switch, intelligent dimming, intelligent life. 2、With maximum power of 300W, can used with most lamps with dimming function, provides maximum stepless dimming range, to save more power and extend the life of the bulb. 3、As long as the mobile phone has 3G/4G/WIFI network, users can use the smartphone to remotely turn on/off the light or adjust the stepless brightness anytime and anywhere through the APP to enjoy the convenience of smart life. 4、The stepless WiFi dimmer can be controlled by voice for Alexa/Google device to turn the lights on/off and adjust the brightness. Easy to operate, life intelligence. 5、Support up to 8 single/repeat/countdown plans enabled for each device. The default timer will work even if the network is not available, but the device must remain on. 1 x Intelligent Switch1 x Bulb1 x Manual1 x Screw Kit Condition: 100% Brand NewItem Type: Intelligent SwitchMaterial: Inflaming Retarding ABS + PCOptional Color: Black, WhitePower: 90-250V ACMaximum Current: 2A / 250VMaximum Power: 300WWi-Fi：IEEE 802.11 b / g / nApp：eWeLink（Not Support RF433 Remote Control）Support Operating System: for Android/ios APPWireless Power Consumption: < 5mWEnvironmental Temperature: -20-70°cType: E27 Bulb(Free)Weight: Approx. 216gSize: Approx. 8.6x 8.6x 3.4cm/ 3.39x 3.39x 1.34inchMinimum Installation Size: Approx. 5x 5.2x 2.5cm/ 1.97x 2.05x 0.98inch