Features:
* voice doorbell, talk with visitor via two-way voice , which lets you know who visits your home and talk to them and let them know I'm coming, please wait.
*1 receiver and 1 push button, talk between receiver and push button via connection within a large ( bell: 200m, indoor bell: 5-50m without any obstacle), stable transmission signal to make voice clear.
*Receiver support rechargeable , supports 3*alkaline last to Approach 4 months (
3*alkaline are not included).
*It's widely used for office and house, get know who is outside, and convenient for the elder who needs much more to open the door, very practical. With 15 different tones and 3 levels adjustable .
*Easy to install and use, visitor presses the outside doorbell, after getting , you should press the button on receiver to get connected and then hold to speak, release it after .
Specifications:
Indoor unit input voltage: 5V 1A
unit : 3*alkaline (1.5V*3) (
not included)
Indoor unit : Built-in (
included)
frequency: 467MHz
Tone: 15 Options
: 3 Levels
Transmission distance: bell:200m; indoor bell:5-50m (without any obstacle)
Waterproof: NO waterproof function
unit working : 4 months(Approach)
Indoor unit working hours: 24 hours(Approach)
Color: and white / and black / and black / and white optional
Material: +ABS
Operating : -20℃ to 55℃
Package Information:
Package Size: Approach. 16.3*14.5*4cm / 6.4*5.7*1.6in
Package Weight: Approach. 261g/9.2oz
Package List: S4191SB
1* Indoor Unit
1* Unit
1* Screwdriver
2* Double-sided Adhesive
1* USB Cable
1* User Manual(English)