433Mhz Wireless Remote Control Switch DC 12V 1CH RF Relay Receiver Module with Transmitter Long Range for Garage Door Opener (2Receiver+5Remote Controls) Specifications Of The Transmitter: Operating Frequency: 433MHz Power by 3V Coin Cell Button Battery (Battery included ) Material: PVC Button: 2 Buttons Operating Voltage: 3V Operating Current: 12mA Transmitting Power: 10mw Modulation Mode: ASK (AM) Encoding Type: Learning Transfers Distance: 20-50 m Specifications Of The Receiver: RF Working Mode: Superheterodyne Reception Modulation Mode: ASK Working Mode: Momentary, Toggle, Latching and Time Delay Mode. Input Voltage: DC 10 ~ 14V RF Frequency: 433MHz Quiescent Current: 5mA Receiving Sensitivity: >97dbm Remote Control Range: >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). Package Includes: Set 1: 1 Circuit Board, 1 Housing, 2 Remote Control, 1 Manual Or Set 2: 2 Circuit Board, 2 Housing, 5 Remote Control, 1 Manual Or Set 3: 2 Circuit Board, 2 Housing, 7 Remote Control, 1 Manual