SONOFF RF Remote controller 86 Type Wall Panel Sticky 433MHz RF Remote Control 1/2/3 Gang Works With SONOFF TX Wifi Wall Switch Does your home be full of hard-to-reach light switches? Or the light switch at the end of a dark corridor is out of convenient reach for operation of control at night? If thats true, you need match a removable remote controller to your lights.The remote controller with 1/2/3-gang works like other regular light switches but add the ability to control the connect lights from a distance, and no required to wire, simply stick on it to use. The multiple gangs allow you to realize two remote control solutions, one SONOFF remote controller for control multiple lights controlled and multiple SONOFF remote controllers for a light controlled. Plus, the remote controller can be used to connect with SONOFF T1/T2/T3 wall switch to achieve two-way control. It is also used for RFR2, RFR3, 4CHPROR3 and SlampherR2 which provides you one more control way except for APP remote control and voice control. 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. Three using methods can be chosen from stick-on, screw-on and desk-top.Note: This product does not contain batteries. More to One Feel to Stick and control. Simple to connect a SONOFF smart switch to your light, and you can attach more than one RF switch on any wall surface that is convenient for you to reach to turn on or off the light. Two-way Control Give you one more option on the control of the light. As a 433MHz RF switch, it can match the SONOFF TX wall switches that allows you to control the light from two different positions without need of wiring. One for More Control more lights from a position. Just like a universal remote controller, the RF switch with multiple channels allows you to control one or more ligh