Packing size: 11*10*4cm, Note: not include battery / battery model (9V 6F22), Smoke alarm detector (433 smoke alarm detector / can be used with Sonoff RF bridge 433 to realize APP alarm after smoke fire. Through the scene / alarm can be set to link other eWelink switches), Weight: 128g.
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Updated: 26-08-2025
Banggood
Warehouse in China.433MHz Wireless Smoke Detector Price: $-3
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