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

Specification: Operating frequency: 433MHZ Operating voltage: DC 12V Max current rating: 20A Receiving sensitivity: 105DB Working mode: jog mode, inter-locked mode, self-locking mode Feature: 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 receiver 4*remote control transmitters