Brand Name: eMastiff
Power: Electric Supply
Display: None
Connection Type: Wireless
Feature: None
Itercom: No
Item Type: Wireless Doorbell
Alarm: No
Power Source: AC,Battery
Power supply: 110V-220V-240V
working frequency: 433MHZ
Ring tone: 38 ring tones
Waterproof: yes
Battery mode: 12v 23A battery (not include battery)
Receiving distance: 300M Remote (in open area)
Use of premises: Home office villa hospital school factory
Model: DB1