Specifications Of The Transmitter:Operating Frequency: 433MHzPower by 3V Coin Cell Button Battery (Battery included )Button: 2 ButtonsSize: 59mm x 28mm x 8mmOperating Voltage: 3VOperating Current: 12mATransmitting Power: 10mwModulation Mode: ASK (AM)Encoding Type: LearningTransfers Distance: 20-50 mSpecifications Of The Receiver:RF Working Mode: Superheterodyne ReceptionModulation Mode: ASKWorking Mode: Momentary, Toggle, Latching and Time Delay Mode.Input Voltage: DC 10 ~ 14VRF Frequency: 433MHzQuiescent Current: 5mAReceiving Sensitivity: Greater than 97dbmRemote Control Range: Greater than 100m (Free Space).Wired Connection Way: Fixed Wiring Pillar.Decoding Mode:MCU Software Decoding.Working Mode:Momentary, Toggle, Interlocked Mode Latching Time delay (5s ,10s ,15s )Wiring Diagram 1:+V: 12V + (Input).- V: 12V - (Input).NO: Normal Open(Output).COM:Common(Output).NC: Normal Close(Output).Color:BlackMaterial: PCB+plasticCircuit Board Size: 3.5 x 3.0 x 1.8cmDue to different batches, the appearance, color, and printed words of the product may vary, which does not affect its use.Package Contents:1 x Receiver2 x Remote ControlOnly the above package content, other products are not included.Note: Light reflection 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.