DC12V 4 Transmitter & Receiver Relay 4CH 433MHz Wireless Remote Control Light Switch

Specification Operating frequency 433MHZOperating voltage DC 12VMax current rating 20AReceiving sensitivity 105DBWorking mode jog mode inter locked mode self locking modeFeature Extremely easy to set up and use Comes with 4 transmitter and 1 receiver The volume is small and the performance is stable and reliable high receive sensitivity remote control distance up to 50 100m Using wireless encoding technique non directional switch do not interfere with each other These remote controls are designed to control a wide variety of electronic devices with a wireless signal With a slidable cover on the remote control to protect buttons avoid accidental unplanned operation It covers application ranging from simple domestic remote control to autonomous control like auto door window lifting equipment entrance access up and down controller alarm system industrial control and security etc How to program Link the remote control Press the Learning key until the light off Press a transmitter button the light will flash 3 times at this time remote control is matched successfully Reset Press the learn button and hold indicator light 6 seconds off the cleared successful Remove all previously paired remote control Package included 1 learning code receiver4 remote control transmitters