High-power load: The receiver uses a 40A relay, which can load high-power electrical appliances to ensure long-term stable control. (Note: Maximum load: 30A)Powerful RF signal Singal-Strong can penetrate walls and doors without any interference; the maximum range is up to 328 feet without obstacles. IP65 Waterproof Construction - Waterproof wireless remote control switch suitable for indoor and outdoor use. Safe to use even in wet places. Do not soak it in water. Easy to install - simply install the receiver between the device you want to control and the power source. You can turn your device on and off from anywhere via the remote control panel. Wide application: This long-distance remote control switch is used in various electrical equipment such as mud pumps, motors, lamps, fans, dust collectors, insecticides, sprayers, car washers, electric bells, etc. -When shopping, please pay attention to the size and dimensions of the product to ensure it meets your needs. In the title and we've provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns please don't '''''' 'Feel free to contact us any time. We are here to help and will do our best to assist you. Thank you for choosing our product. we hope you like it