Most useful! The next time you misplace your keys, just whistle and the KF22N will then both beep and flash, allowing you to find your keys!
Specifications
* power supply: 2 x 1.55V LR41 V392C watch batteries (4 batteries incl.)
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Options :
For more efficiancy and to simplify your choice of the requested products, we automatically offer accessoiries, complementary or matching products. (batteries, cables, accus, etc...)