wireless key finder YL-KF4

Product characteristic outline£º
Electronic remote Key finder:
Extra-long finding range:>30 meters
Credit card size for the transmitter
Extended battery life to 12 months.
1 card matches 4 finders;

1.Working range: 30-45m outdoors, 18-25m indoors.
2.Size for Card: 80X52X5.6mm;
3.Size for keychain: 44X28X10mm
4.Beep to alarm in 75 DB;
5.Wireless technology, frequency: 433.92MHZ
6.Extended battery life: 12 months;
7.Transmitter battery: 2 pieces CR2016 6V (included);
8.Receiver battery: 1 pieces CR2032 3V (included);
Push the button on the card, you can find your keys very easily in your house or office. 1 Card can find 4 or more keychains

N.w.:
1. Card: 21g
2. Keychain:13.5g