433.92MHZ KF5 Remote Electronic Key finder keychain with sound
WT:42.5g (battery included)
Battery:27A 1pc 12v
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.