SONOFF T2EU1C-RF 2 Gang 433MHz Wireless Remote Wall Light Touch Switch Stick-on Remote Touch Switch ?The remote controller with 2-gang works like other regular light switches but add the ability to control the connected lights from a distance,and no required to wire,simply stick on it to use ?The SONOFF remote controller for controlling multiple lights controlled and multiple SONOFF remote controllers for a light controlled ?The backlight is designed on the touch button to give you a clear location to control the light at night. The absorbing energy from light decides the brightness of backlight,the more energy it absorbs,the higher its brightness ?Can be used on any surface,control your equipment anytime,anywhere ?Tempered crystal glass panel,no fading,elegant and stylish ?Integrated panel design,waterproof and anti-creeping,safe to use Specification: ?Battery: 3Vx2 (CR2032) (NOT Included) ?Wireless standard: 433MHz ?Material: PC VO & Tempered glass panel Package included: ?1 x 433MHz Wireless Stick-on Smart Wall Switch ?1 x English and Chinese User Manual ?Other items not included