SPECIFICATIONS

Brand Name: KERUI
Hign-concerned Chemical: None
Origin: Mainland China
Connection Type: WireLess
Power: Electric Supply
Display: None
Feature: None
Item Type: Wireless Doorbell
Itercom: No
Alarm: Yes
Certification: none
Smart home platform: none
Ringtones: 57
Wireless Range: Up to 390 ft / 120m (in open area)
Working Voltage: 100~240V 50~60Hz alternating current
Working Power: 0.5W
Receiving Frequency: 433MHz
Type: wireless doorbell
Choice: yes
semi_Choice: yes