General Description This wireless switch kit enables remote control of lighting and appliances using 433 MHz radio technology. It operates without batteries, eliminating the need for periodic replacements. The signal is generated by the mechanical energy from the button press, ensuring stable performance and high reception sensitivity (> -97 dBm). Technical Specifications Operating Voltage: 85 V to 250 V AC (compatible with 110 V/220 V/230 V) Load Capacity: up to 10 A (2400 W at 240 V) Indoor Range: up to 50 meters Outdoor Range: up to 200 meters Installation This wireless switch kit requires no wiring or modification of the existing electrical system. It can be attached with double-sided tape or screwed on, allowing for flexible placement in various practical locations. Usage This kit enables control of multiple devices with bidirectional control functions. One receiver can be paired with up to 10 different transmitters, and one transmitter can control up to 10 receivers, facilitating the management of lighting and electrical appliances. For example, a switch near a bedroom door and a switch on a nightstand can simultaneously control the same light. Other Information This kit is compatible with a variety of lighting fixtures, including LED, halogen, fluorescent, and incandescent bulbs, as well as small appliances such as fans and water pumps. Its mechanical structure is designed to withstand repeated activations.