bluetooth keychain alarm connect with mobile phone by Bluetooth 4.0,

mobile phone will send out alarm when the both distances surpass 4-9 meters,

which warned some expensive goods will lost .

(Mobile phone need to download the correcsponding APP)

The suitable equipment model:

iPhone 4s/5/5s

iPad 3/4/Mini/air

iTouch 5

Android 4.3

 Please read the information before use: 
1) Put two button batteries in the battery tray, the push the battery tray in the tray hole 
2) Open the phone, enter to the apple APP store, find the app named icarder, then import the user name and password, the icon names icarder will be create on the phone screen 
3) Open the phone Bluetooth, search for the equipment of named icarder 
4) Keeping press the on-off key until the red LED lamp flicker, which indicate it searching for the match 
5) Open the APP and press the search key, when the middle ring is appear the deep signal strength, which indicate the connect is success 
6) You can choose two alarm mode of near and far on the option menu, it will be far mode from factor, the alarm distance is 4-9m in normal .