Feature:1. Use wireless remote control to control lamps or other household appliances, with long control distance.2. The relay module provides high signal sensitivity and anti-interference at a lower cost, and excellent stability3. The relay switch adopts non directional wireless coding technology, which allows independent control without mutual interference.4. It has a wider range of applications and can be used in industrial control and security fields, such as lights, wireless controllers, etc.5. Wireless Remote Control Switch is made of high quality PCB material, durable and long service life.How to Use:Operating mode:Moment: Press the button to turn on, loose the button to turn offToggle: press the button to turn on, press the button twice to turn offLockout: Press button A to turn on, press button B to turn offClear code:Press the receiver learn button 8 times to clearAfter clearing the password, all remote controls cannot be usedLearning password:(Instantaneous) Press the receiver's learning key and the light will be on, and it will enter the instantaneous setting learning state mode. Then press the button of the remote control, the indicator light of the receiving board will flash 3&