Technical Data Of Receiver: Input Power:AC90-250V Standby Current: less than 5MA RF Frequency: 433M RF working mode:superheterodyne Receive sensitivity: more than -108dbm Transmitting distance: more than 50m ( open space) Decoding mode:MCU software decoding Remote storage:20pcs Support remote type:EV1527 Learning code, Fixed code Working mode:Momentary, Toggle, Latching,Automatic energize when power on mode Wiring type:fixed terminal Output Te Wiring type rminal :NO , NC , COM Dimension of PCB:55x32mm (L,W) Specifications Of The Remote Control: Operating frequency: 433.92MHz Power by 3V Coin Cell Button Battery (Battery included) Button: 2 buttons Size: 59mm x 28mm x 8mm Operating voltage: 3V Operating Current: 12mA Transmitting power: 10mw Modulation mode: ASK (AM) Encoding type: Learning Transfers distance:50m (open space) Colour: black Material: plastic Package Contents: 1 * receiver module (including housing) 1 * remote control (including battery) 1 set * screws Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.