General description This mini wireless switch with receiver and LED display allows for convenient control of devices without the need for cable installation. It features a double switch function, enabling you to control one device with two independent switches. The device is designed for both indoor and outdoor use, with a significant range of operation. Technical specifications Effective range: 0~40 meters indoors (effective through 1 wall), 400 meters outdoors Receiver dimensions: 4 x 2.5 x 2.3 cm Battery type: CR2032 lithium battery Battery lifespan: 6-8 years Switch lifespan: 600,000 activations Installation No wiring required between the switch and the receiver Can replace traditional switches directly (sticker included) Note: Do not install the switch on a metal surface or the receiver in a metal cover to ensure proper signal reception Usage Waterproof switch suitable for outdoor use Receiver should be placed in a canopy or junction box (not waterproof)