Product appearance: 8.5*9*4.5cm
Wroking current: 100MA
Multi Language :1pcs Door Bell (Multi Language Version)
Detection Angle: Vertical 60° Horizontal 110°
Working voltage: 3xAAA battery (not include)
Volume: 75db - 95db ±5db
Static current: 10MA
Ambient humidity: 5%-95%RH
Ambient temperature: -25℃-55℃
Detection Distance: 2-6M
Detection Method: IR Detection
Note:
pls know that the welcome alarm is not included any battery or power adapter .
Only sell welcome alarm. if you want ,pls buy separate .
