Description:This item has 4 relays which can make the equipment turn or reverse, on/off and so on come true. Strong signal which can pass through walls, floors and doors, control receiver from any place within a reliable distance. It covers application ranging from like auto door, window, lifting equipment, entrance access, to security etc. It can learn 2272 2262 or 1527 chip with the different code wireless 433MHz remote control.Features:It has 4 relays which can make the equipment turn or reverse, on/off and so on come true.Strong signal which can pass through walls, floors and doors, control receiver from any place within a reliable distance.The volume is small and the performance is stable and reliable, high receive sensitivity.It covers application ranging from like auto door, window, lifting equipment, entrance access, to security etc.It can learn 2272 2262 or 1527 chip with the different code wireless 433MHz remote control.Specification:Input Voltage: DC10-14VStandby Current: 5MARF Frequency: 433MHZRF Working Mode: Super heterodyne receiverReceiver Sensitivity: -104DBMRemote Control Distance: >100 meter(in open environment)Decoding Way: MCU Software decodingCan store the number of remote control: 50Support remote control type: Fixed code, learning codeChannel: 4CH3 working modes: (Jog/Non-Latched ,inter-lock/Latched ,self-lock /Self-Latched)Wiring Method: Fixed wiring terminalWorking Voltage: DC12VOutput Current: 10AOutput: Normally open, Common, Normally closedProduct Size: Approx. 50 x 70 x 25mm / 2.0 x 2.8 x 1.0inchPackage Weight: Approx. 100gPackage Included:1 x Wireless Relay Switch1 x Remote ControllerHow to use:1. Jog/Non-latched: Press one button is working /ON. Loosen your finger on the same button is stop/OFF. One channel switch need one buttons remote control.2. Self -lock/Self-latched: Press one button for one time is working/ON. Press the same button again is stop/OFF. One channel switch need one buttons remote control.3. Inter-lock /Latched: Press one button is working/ON, press another button is stop/OFF. One channel switch need 2 buttons remote control.Note: The color of 4 relays is random(black or blue) .