2Pcs 433MHz Wireless Smoke Detector Fire Security Alarm Protection Smart Sensor For Home Automation

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Smoke alarm detector (433 smoke alarm detector, can be used withto realize APP alarm after smoke fire. Through the scene, alarm can be set to link other eWelink switches)
Note: not include battery, battery model (9V 6F22)
Weight: 128g
Packing size: 11*10*4cm
1. 3 seconds alarm, sensitive response, using infrared scattering principle, fire smoke alarm for about 3 seconds, timely alarm, reduce your property loss to controllable range.
2. Sound and light alarm, when the smoke reaches the predetermined value, the indicator light flashes quickly and emits a green light prompt, and the smoke alarm alarm sounds about 110 decibels.
3. 360-degree smoke detection alarm, no dead angle, reliable.
4. Built-in 110 decibel sound and light alarm prompt, effective prompt evacuation site, built-in high sensitivity sensing technology, reliable, safe.
5. Suitable for a variety of scenarios, independent type does not require an external power supply, suitable for families, hotels, office buildings, factories, etc.

Package included:

2 x 433MHz Smoke alarm detector
2 x English User manual
4 x Screw caps
4 x Fixing Screws