Net Weight: 49g

Main Color: Black
External material: plastic
Design: RF Wireless Technology/Environmental/stable function/No-Radiation
Transmitter&receiver powered by button cell batteries (included).
This is One Transmitter Controller and Three Wireless Receiver Super Electronic Key Finder Anti-Lost Alarm Keychain.
The receiver is very small and light, very easy to secure to the keys.
Credit card size transmitter easily fits in your wallet or purse.
Top quality finder, won't break on you or give you any false alarms.
Find keys just by a simple press.
Size: Receiver: 4.5 x 2.8 x 1.1cm (Powered by CR2032x1 battery)
Transmitter: 8 x 5.1 x 0.4cm (Powered by CR2016x2 battery)
Long RF wireless control distance up to 30 meters (90 feet) away, through floors, walls, even sofa cushions.
With One Controller and Three Wireless Receiver to find 3 things.
Keep the Receiver to with the thing that you want to find.
How to use:
Match: Turn up the Keychain switch to "ON" position, it will beep constantly ("dee...dee.."),and push the button on the card, keychain will stop beep after matching.
Find: When you want to find the lost keys, just push the button on the card, and the keychain will sound alarm within 1 second, alarm will last for 4 seconds and then stop.

Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item.
We guarantee the style is the same as shown in the pictures, but not the same performance on different bodies as on the model. Thank you!