SMATRUL TMW403 EU Plug WiFi+433MHZ Remote Control Smart Touch Timing Countdown Wall Switch for Alexa Google Home,4 Gang WiFi - Black •The relay scheme is more stable (there is a relay inside,which is more stable than the switches on the market,has a longer service life and is more stable). Ordinary switch SCR control is easy to burn out,high-quality relay,anti-pulse voltage,anti-lightning •433MHZ RF Remote Control: This smart switch could be used with 433MHZ RF transmitter(not included). Control range: ≤15M •The low light indicator design will not interfere with family rest,and the dark environment is easy to find and not dazzling •Wiring mode: neutral fire + single fire general design,any family can use (with or without neutral wire can be used) •Only use high-end crystal tempered glass panels. Good light transmission performance,pure color,rich color,beautiful and smooth,taking into account the two effects of day and night,long service life,and does not affect the use •Has timer/scene control •Share with family for common control •Use with Amazon Echo and Google Home and Tmall Genie •Specifications: •Operating Voltage: AC 100-240V AC 50/60Hz •WIFI Standard: IEEE 802.11 b/g/n,2.4GHz •Support App: Tuya or Smart Life •Voice Control: Google Home,Amazon Alexa,Tmall Genie •Load Power: 3-500W/Gang,500W/total •Maximum current: 10A •Power Consumption: ≤0.5W •Working Temperature: 0℃~40℃ •RF Frequency: 433MHz •Network Security: WPA/WPA2 •Hub requirement: No •Control Mode: APP/RF/Manual Package included: •1 x Smart Touch Switch •1 x Capacitor •2 x Screws •1 x English and Chinese User Manual •Other items not include