- Match: turn up the keychain's switch to “ON” position, it will beep constantly (“dee...dee...”), and push one button on the remote control key, keychain's will stop beep after matching.
- Find: when you want to find the lost keys or other things, just press the matching button on the remote control key(you should press the matching button when the indicator light off), and the keychain will sound alarm within 0.5 - 2 seconds(according to the distance), alarm will last for 4 seconds and then stop.
- Frequency: 433.92MHZ
- Distance: 25 - 40meters
- Sound: 75db
- Receiver: 5.2X3.2X1.3cm
- WT: 11.5g
- Battery: CR2032*1(battery included)
- Transmitter: 6.5X3.2X1.1cm
- WT: 12.5g(battery included)
- Battery: CR1632*1(battery included)
- Blister card package
- Package weight: 0.130 kg
- Package size: 20.5*14.5*2 cm
- 1 x Transmitter
- 4 x Receiver
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