Learn more about Long Working Range Remote Key Finder with 4 Receivers

• Function:
• Push the button on the card, and the keychain with keys will sound alarm in 1 second.
• Specification:
• Extra-long finding range:>30 meters
• Credit card size for the transmitter
• Extended battery life to 12 months.
• Features :
• Extra-long finding range: over 40m outdoors, and 20 meters indoors;
• Credit card size transmitter fits in wallet;
• Superior search technology;
• Beep alarm;
• Stop beep every 4 seconds;
• Transmitter battery: 2 pieces CR2016 (included);
• Receiver battery: 1 pieces CR2032 (included)
• set with 4 pcs