electronic whistle keyfinder keyfinder with led Once you press the button, it can be used a torch with LED light

Whister when you misplace your keys,the keychain will flash and beep  intermittently

Usually the sound frequency is 1HZ-4HZ..But  Very conformably,the whiiter is within the frequency. So you can find you keys very easily.

Size:5*3.6*1.4cm

Material:ABS plastic

Logo Max Size: 4x3cm

 

Works with 2x AG13 button batteries

Logo and color can be customed 

electronic key finder