General description The Piece Wireless Doorbell (Black) is a reliable and efficient doorbell system designed for both indoor and outdoor use. With a wireless range of up to 300m/1000ft, it ensures that you can hear the doorbell chime clearly, even from a distance. The doorbell is waterproof, making it suitable for various weather conditions, and it operates effectively between -4°F and 140°F. The system features adjustable volume levels and a selection of ringtones, making it user-friendly for all ages. Technical specifications Wireless range: Up to 300m/1000ft Operating temperature: -4°F to 140°F Volume levels: 3 adjustable levels (0 to 110db) Ringtones: 38 different options Power source: Receiver plugs into an AC socket; transmitter uses a lithium battery Battery life: Up to 3 years Installation Plug the receiver doorbell into a socket. Attach the transmitter using the supplied accessories. Installation can be completed in approximately 5 minutes. Usage Suitable for indoor and