Specification: Input voltage: AC180-245V 50/60 Hz Output channel: one channel Frequency: 433 Mhz Max. load: incandescent lamp 1000W, energy saving lamp 200W (6 lamps), H tube 280W (5 lamps), LED lamp 200W (8 lamps) Battery type: 27A 12 V Working temperature:85℃ Remote control distance: 20M (no obstacle) Dimension: Receiver: 66*36*22mm Transmitter: 59*30*12mm Feature: Easy to use, convenient Just press the remote control key, no need to walk to turn off the light. Suitable for home, school, hotel, Office, etc. Manual function: Wall switch on, light on Wall switch off, light off (The remote control needs to be used when the wall switch is turned on) Remote control function: Pressunlock button, light on Presslock button, light off Package included:1*JG-1S one channel light switch