433.92MHZ 75DB Wireless Remote Personal Alarm Electronic Key
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 4 seconds then stop.
Distance: 35-60 meters
Remote controller: 12X4.3X1.8CM
WT: 41.5g (battery included)
Battery: 27A 1pc 12v
WT: 13.5g (battery included)
Battery: CR2032 1pc 3V
Color box package