Put the card in the wallet, on the desk or stick it on the fridge. and the receiver with keys, when you can't find the keys, jus

Remote key finder

Frequency: 433.92MHZSound: 75DBTransmitter:8X5.2X0.56CMWT:21g (battery included)Battery:Lithium CR2016×2Receiver: 4.5X2.8X1.1CMWT:13.5g(battery included)Battery:CR2032X1Blister card package

Put the card in the wallet, on the desk or stick it on the fridge. and the receiver with keys, when you can't find the keys, just push a button on the card, and the receiver will sound alarm within 1 second.The alarm will last for 5 seconds then stopped.Working distance: 25-40meters.

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