Specification :

Detail: Frequency: 433.92MHZ
Sound: 75DB
Rmote controller: 12X4.3X1.8CM
WT: 42.5g ( battery included)
Battery: 27A 1pc 12v
Receiver: 4.5X2.8X1.1CM
WT: 13.5g( battery included)
Battery: CR2032 1pc 3V
Color box package
Working distance: 25-40meters.

Stick the remote controller on the wall or on the desk, and the receiver with keys or the article you always can' t find, when you can' t find them, just push the corresponding button on the remote controller, and the receiver will sound alarm right away.( it can find the lost thing in a 400 square meter house)
The alarm will last for 5 seconds then stopped.
Model Number: KF5
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