Welcome to the store! Features: * Very easy to use, simple wiring diagram connection. * Supports remote control up to 20 rooms. Super small body and takes up less space. * It can be connected to control electronic locks, light curtains, electrics, etc. So that it can remotely unlock the door, turn off the light, open or close the curtain, etc. * The working mode can be changed by yourself: you can switch to momentary, toggle, latch three modes you need. * Learning Code Pair: It can work with a remote control with the same frequency, so you don't have to worry about losing the remote control anymore. (If the remote control is lost, it's OK to buy one or two with the circuit board.) Specifications: Input Power: DC10V-14V Standby Current: <5mA RF Frequency: 433MHz RF Operating Mode: Superheterodyne Reception Receiving Sensitivity: >97 dbm Transmission Distance: 100m (open area) Decoding Mode: MCU software decoding Remote Control Storage: up to 20 PCS Operating Mode: Momentary, rocker, REMOTE Connection Type: fixed terminal Output Terminal: NO, NC, COM Remote Control Battery: 2*3V button batteries (included) Support Remote Control Type: learning code (1527 chip) Package Information: Package Size: approx. 13 * 9 * 3cm / 5.12 * 3.54 * 1.18in Package Weight: approx. 50g / 1.8oz (with 1 PCS Remote Control) Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!