electronic whistle keyfinder keyfinder with led light Whister when you misplace your keys,the keychain will flash and beep

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

Usually the sound frequency is 1-4HZ..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