(2 Pack)Smoke Alarm Detector Home Fire Safety Sensor Alert Battery Included (products W/ battery,US Logistics For DHL Ground/ Fedex Ground. TK/TMEU only For self-pickup, self-pickup Cannot use USPS)

1. SMALL BUT ACCURATE: The smoke alarm adopts photoelectric technology to detect smoke. More sensitive to light smoke and slow smoldering fires and more quickly to remind you. Keep your home safe 24/7.
2. Easy Installation: The carbon monoxide detector offers a hassle-free setup process. Simply secure the detector on a wall or ceiling and insert the batteries. This straightforward method eliminates the need for complicated wiring, making it accessible for everyone.
3. Sound & LED Warning: When the fire alarm detects smoke or detect combustion particles in the air, it will sound their alarms and the red LED will flash rapidly to remind you to check.

Specifications:
1.Material:ABS
2.Power Supply: DC3V (AA battery *2 pieces) (include batteries)
3.Sensor Type: Smoke Detector
4.Alarm Volume: 70 decibels
5.Dimension:106*50mm
6.Weight:About 155g
7.Protection area:40㎡
8.Installation: Ceiling or Wall Mount
9.Recommended Distance: Install at least 2 meters above gas sources

2 x Smoke Alarm
4 x AA battery
4 x Screw
2 x User Manual

Important Notices:
1.Batteries are included.
2.This device detects only smoke concentration, not carbon monoxide (CO).
3.This version cannot connect to mobile phone software.
4 Do not install near gas sources or in damp places (bathroom/shower).