Will not occupy your wireless doorbell kit: the unique plug-in doorbell ringtone kit is small and beautiful. The extra socket can be used for any other electrical equipment. Plug the doorbell into the wall socket, and then plug the appliance into the electric bell device as usual. This is the best choice for waterproof wireless doorbells for homes and any other occasions. Memory function and easy installation: just plug the doorbell into the socket and use the provided accessories to fix the button on the wall; it will not interfere with other devices in your home or neighbors, and you will never miss any visitors. The volume is very loud and can be heard throughout the house. The flashing indicator light is easily noticed by people, including those with hearing loss Ultra-long wireless range up to: a perfect wireless doorbell kit for homes, offices, apartments, schools, villas, warehouses, hotels, factories, hospitals or other places. You can easily select and set your favorite tunes, such as the classic "Ding Dong". IP65 dustproof and waterproof rating. It works between -4F and 140F and can withstand all kinds of severe weather conditions.