Wireless Remote Key Finder 

Model: CTD-KF2

Find the key just by a button.

Push the button on the card, you can find your keys very easily in your house or office.  
Put the thin card in the wallet; tie the keychain with the keys, when you want to find the keys, just push the button on the card, the keychain will beep if it is within the working distance. The beep will last for 4 seconds.

1. Working range: 30-45m outdoors, 18-25m indoors.                                       
2. Size for Card:  84X55X3.8mm;
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(included);                 
8. Receiver battery: 1 pieces CR2032 (included)  
9. 1 card matches 1 keychain, no false alarm.