Description:
Two-way voice, not only a doorbell, but also a intercom system & walkie talkie.
Outdoor unit is powered by 3xAA batteries (not included for shipment) with long standby time up to 4 months.
Removable indoor unit with adjustable volume (plug 5V 1A not included).
Super long working area up to 200Meters/656 ft (in open field).
Big and adjustable speaker, clear voice, can be used as mobile interphone. Easily installed with 3M tape on the wall.
Specification:
Material: Plastic
Outdoor Unit: approx. 6.9x6.8x2.6cm/2.72x2.68x1.02inch
Indoor Unit: approx. 10x5.4x2cm/3.94x2.12x0.79inch
Package Includes:
1 Piece Talkback Doorbell
Note:
5V 1A plug for indoor unit is not included, you need to buy it by yourself.