Specifications: Size: 86*88*15.5mm Working voltage: self-generation Emission current: +13dBm Keystroke force: 300+/-50g Waterproof performance: IP54 Panel bottom shell: interchangeable bottom shell universal Standby current: 0 ua Frequency: 433.92+/-75KHz MHz（Encryption processing） Remote control distance: open area>100M indoor200,000 times Instruction Manual: 1. Set on and off status Long press the receiver button for 3 seconds, the indicator light flashes once, release the button, press the wall switch once, and the receiver indicator flashes once, indicating successful learning. 2. Set the on state (only for turning on the light) Long press the receiver button for 5 seconds, the indicator light flashes twice, release the button, press the wall switch once, and the receiver indicator flashes once, indicating successful learning. 3. Set the off state (only for turning off the lights) Long press the receiver button for 7 seconds, the indicator flashes 3 times, release the button, press the wall switch once, and the receiver indicator flashes once, indicating successful learning. 4. Clear the learning status. Long press the receiver button for 10 seconds, the indicator light flashes 4 times, indicating that all learning remote controls are deleted. 5.Short press the receiver button, each time you press it, the relay will turn on or off. Package Includes: 1 x Wireless Controller Switch 1 x Receiver Module