1、Led light controller: mainly designed for traditional medium and small lamp factory. To solve the need of rapid upgraded of lamps. with the freely light controller led constant current intelligent driving power supply. 2、3 in 1 funtions: app+voice+traditional intelligent switch dimming. 3、App remote control:you don't have to nervous about whether you has turned off the light switch as your life is very busy. 4、Support Alexa, Google home, Tmall voice control. Just need to gently say" Tmall, open all the light" It will automatically turn on the light. And say" Tmall, close all the light" It will automatically turn off the light. Bring much convenience to yo 5、Suitable for ceiling lamp, ceiling light, downlight, wall lamp, spotlight etc. Perfect for meeting guests, dinner, reading, leisure and all kinds of occassions. Features: 1. Led light controller: mainly designed for traditional medium and small lamp factory. To solve the need of rapid upgraded of lamps. with the freely light controller led constant current intelligent driving power supply. 2. 3 in 1 funtions: app+voice+traditional intelligent switch dimming. 3. App remote control: you don't have to nervous about whether you has turned off the light switch as your life is very busy. 4. Support Alexa, Google home, Tmall voice control. Just need to gently say" Tmall, open all the light" It will automatically turn on the light. And say"  Tmall, close all the light" It will automatically turn off the light. Bring much convenience to your life. 5. Suitable for ceiling lamp, ceiling light, downlight, wall lamp, spotlight etc. Perfect for meeting guests, dinner, reading, leisure and all kinds of occassions. Specification: Condition:100% Brand New Color: As Pictures Shown Voltage range: 180-240v AC Maximum current: 16A Maximum power: 3500W Wireless frequency: 2.4ghz Working temperature: 0 DHS 40 DHS C - C (32 ° F to 104 ° F) Working humidity: 5%-90% RH, no condensation. WFi | standard IEEE802.11 b/g/n WFi working mode |STA/AP/STA+AP/Smart Contg Wireless security support |None.WEP. Wpa-psk: wpa2-psk (TKIP/AES) Type: 24W, 36W, 48w(optional) Weight: Approx.114~207.5g Package list: 1  * Switch Light Dimmer