KF2 Remote lost Electronic Key finder built in CR2032 1pc 3v
Battery with sound alarm
WT:38.5g (battery included)
Battery:CR2032 1pc 3v
Battery:CR2032 1pc 3V
Color box package
Working distance: 25-40meters.
Stick the remote controller on the wall, 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 stopped automatically.