The TECKNET Self-Powered Doorbell is a white wireless doorbell that does not require batteries, making it convenient and environmentally friendly. It has a waterproof rating of IP65, suitable for use in various settings such as shops, schools, and homes. The doorbell comes with a transmitter, two receivers, a manual With a sleek rectangular shape and a matt finish, this doorbell by TeckNet is a practical and stylish addition to any property.