Free app for iOS and Android. All iOS and Android smart phone with Bluetooth 4.0. iOS (for iPhone 4S,5, 5C, 5S and later；for iPad 2 for iPad Air，for iPad mini，for iPad mini 2 and later). Works with all 12V batteries.
This product would be ideal for car owners who want to monitor the health and condition of their car's 12V battery through a mobile app, accessible via Bluetooth and the phone.
