Smoke Detector Alarm – 4 Pack

Features:

Color: White
Excellent stability
High sensitivity
Alarm test button for easy testing
Low battery indicator
Designed for the fastest possible installation
Alerts and warns people to stay away from danger when smoke is detected
Photoelectric detector with infrared diodes for smoke detection
The principle of detecting involves granules in the smoke reflecting infrared light
Special chamber shields external light but doesn’t affect smoke entry
The diode receives weak infrared light in the absence of smoke
An alarm signal is emitted when smoke density reaches a certain level
The emitting circuit adopts a pulse signal for reduced interference and lower power consumption
Special structure design and ASIC for dustproof, mothproof, and anti-outside light interference

Application (Suitable for detecting smoke in various environments)

Houses
Shops
Hotels
Restaurants
Offices
Schools
Banks
Libraries
Warehouses

Specifications:

Working Voltage: 9V battery (Not Included)
Transmission Frequency: 433MHz
Working Current: Lower than 40mA
Standby Current: Lower than 10uA
Material: ABS
Working Frequency: 433MHz
Alarming Sound: More than 75dB
Transmission Distance: 100-150m in an open area

What’s in the box
4 x Smoke Detector Alarm