Enjoy a wide signal transmission range, with approximately 0-40m indoors and up to 400m outdoors between the transmitter and receiver. Wireless Switch: Weight: 35g Dimensions: 7.5 x 4.8 x 1.5 cm Lightweight and portable for easy carrying. Long Lifespan: Switch lifespan: up to 600,000 times Receiver lifespan: up to 400,000 times CR2032 button lithium battery provides 6-8 years of operation. Operating temperature: -40~70℃. Easy Installation: No wiring required for the switch; simply use the included tape for installation. No need to tear down walls. Works with the receiver (connects between the lamp and power supply). Control multiple receivers with one switch (within range). One receiver can respond to up to 8 switches. Compatibility: Compatible with all lamps, halogen, incandescent, fluorescent, LED lighting, fans, and other electrical switching devices. Built-in power: 1000W. CE, FCC, CQC, ROHS certified product.