SONOFF T2EU1C-RF Button 86 Type Wall Panel Wireless RF Remote Control 433MHz Sticky, Two Way Control,No Wiring Required, Battery Required (Not Included), 3 Group

【One for more】When paired one T2EU3C-RF Switch with two 1-Gang Sonoff 433MHz RF products, you can control the 2 connected light with one T2EU2C-RF Switch without the need for wiring. Remote Control Distance over 50M
【Two-Way Control】When pairing two/more T2EU2C-RF switches with two/more RF Sonoff 433MHz products, you can control the light from multiple locations without the need for wiring.
【Power Stability】Powered by a 3V button battery; Battery model: CR2032 (not included)
【Simple Installation】No wiring required, it has 3 simple installation methods: plug, screw and stand.