Here I recommend one from aHappyDeal Company, a professional company focus on this kind of product.
Brief Introduction of Super Electronic Key Finder with Keychain
Main Feature: - Match: turn up the keychain's switch to position, it will beep constantly ( ee...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)
... [Full description on aHappyDeal]
Supplied by aHappyDeal, Click Here to find the latest price.
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