[ Ultra Mini Size DIY Light Switch Module ] -39X39X19mm ultra mini size body,compatible with 95% of installation box on market.[ APP Remote Control ] -Download smart life /Tuya smart APP on your phone& to control the light switch anywhere/anytime.[ Hand Free Voice Control ] -Compatible with amazon ,google home ,a simply to voice control the light switch.[ Timer,Schedule&Count Down Function ] -You can create schedule according to your personal requirement ,as as timing and count down,smart and DIY your to the maximum extend.[ Easy to Install ] -Mini size switch module can be installed in switch installation box or on the lamp easily.(Notice: please turn off electricity during installation).[ Dual Way Control ] -Can fully upgrade 2 way control switch without change wiring design of house.[ 3 Switch Type for Option ] -Rocker switch flip to change state/state synchronous and reset switch.[ Status Memory Function ] -switch status when power off and can be set to on,off and keep the same as power off.[ Interlock Function ] -Enable only one channel on,and other channel off at the same time.[ Group-Control Function ] -Multi switch in different room can set in a group ,realize group control function.[ Share Function ] -You can share the switch to your with the limited right,create a with your member.[ Linkage Function ] -It can linkage with other switch module ,sensor and appliance in your home ,make create different scene possible,such as sleeping mode,working mode,dinner mode ,back home mode .Product type :1Gang WIFI Switch ModuleVoltage:AC100-240V 50/60HzMax. load :LED 250W 10AOperation Frequency: 2.412GHz-2.484GHzOperation temp. :-10 + 40Protocol :WIFI IEEE802.11b/gOperation Range Less than 100mDimension (WxDxH) :39x39x19 mmIP Rating :IP20Colour:WhiteMaterial:plasticPackage Contents:1 x WiFi switchOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.