1 Using high-quality ABS shell material, fire-retardant, sturdy and durable, long service life. 2 This doorbell is designed with a built-in speaker. Once someone presses it, it will emit a loud ringtone, and you can hear it at home, and you don't have to worry about missing visitors. 3 It adopts wired design, no need to buy any battery, just use the access control power supply, which is environmentally friendly, convenient and cost-saving. 4 This wired doorbell is very convenient to operate and install. Wall hanging or double-sided adhesive paste installation(not include double-sided adhesive). 5 Suitable for family, hotel, building. It is an external wired doorbell used for secure access control.
What's in the box
1 x Wired Doorbell