Alarm Sensor Detector Doorbell

Alarm Sensor Detector Doorbell

Features:

• With the alarm, guest switch, you can choose antitheft alarm or welcoming guest condition
• Chime Doorbell is suitable for house, office, shops, hotel, tire building and factory, etc.
• Probing range: 6-10 m
• Mounting height: 2 m
• Survey horizontal angle 84°
• Alarm sound: 75-95dB
• Powered by 3 AAA batteries, or DC external adapter (not included)

Package:
alarm doorbell * 1