Product specifications:

Working distance: outdoors50meter indoor20m or so.

Working frequency:433.92MHZ

Working power supply: receiver with Keychain1*CR2032 (already installed battery)

Card Launcher 2*CR2016 ( already installed battery)

Dimensions: card and bank card size, the thickness of3.8MM,can be placed inside the purse.

Setting mode:

1: key chain the receiver switch to theOnposition, the receiver sent"drip-drip"sound;

2 : click on the card of the"Press Here"button, if the match is successful, accept that stopped the"drip-drip"Tweet;

3 : key-receiver placed on a key ring, if you need to find the key, click on the card Launcher"Press Here"button, key sink then issued consecutive4-second alarm sound alert key locations. Sound, sound is easy to find the key.