eMastiff 433mhz Wireless Doorbell Waterproof Smart Home Door Bell Chime Kit LED Flash Security Alarm Welcome House Melodies
SPECIFICATIONS
working frequency: 433mhz
Use of premises: Home office villa hospital school factory
Ring tone: 38 ring tones
Receiving distance: 300M Remote (in open area)
Power supply: 110V-220V-240V
Power: Dry battery
Origin: Mainland China
Itercom: No
Item Type: Wireless Doorbell
Connection Type: Wireless
Certification: CE
Brand Name: eMastiff
Battery: 12V23A(not include)
Alarm: Yes