High quality smoke detector with wholesale price&reliable manufacture

optical smoke detector 
1 9V Battery smoke detector 
2.High alarm 85dB 
3.Test button with LED 

Optical smoke detector ,under BSI approval, and can be calibrated into either UL, VDS, NF Standards. This smoke detector features UL-approved Photoelectric sensing components with precise smoke detection. and long life (18 months) 9V battery operation (9V UltralifeLithium battery model for 10-year life is available too).

Optical smoke detector features and sepcifications:

? Features:

o Works on principle that infrared scatters on smoke surface

o Probes smoke which is generated by incomplete combustion at initial stage of fire

o Smoke detector consists of photoelectric system, signal processing identification and alarm circuit

o Infrared scatters on surface of smoke when smoke enters darkroom of detector

o Photoelectric diode receives scattered light and generates photoelectric signal current

o Photoelectric signal generates alarm signal after being processed by identification circuit, accordingly purpose of alarming is achieved

? Specifications:

Material: ABS plastic

Power supply: 9V DC Block battery/PP3

Quiescent current: 8μA

Alarm current: 16mA

Operating temperature: -10°C ~ +50°C

Humidity: 0 to 95%(40±2°C),no condensing or icing

Alarm decibel: Louder than 85dB at 10feet(3 meters)

Test button: To verify the proper functioning of smoke alarm

Low voltage warning: Smoke alarm beeps every 40 seconds for 30 days (minimum) to indicate a need of battery replacement

Smoke sensitivity: 0.086 dB/m to 0.140 dB/m

PACKING:

Each product with installation hardware and manual into a gift box 10.5*10.5*4cm, then 100boxes into a carton 55.5*44.5*23.5cm, 14.5/15.5KGS