Product description GPS Tracker- Key Finder color is black, green, white, pink-. The app will display the connection location of the lost item, which can help you to remind you of the location of the lost item and find it easily. Specifications: Viewfinder distance: 0-100 feet BT version: BT 4.0 Color: 1 x Black, 1 x green, 1 x white, 1 x pink-. Battery: including CR2032 lithium coin battery (replaceable). Compatible devices: IOS: version 7.0 or higher Android: version 4.3 or higher compatible with IPad-: compatible with iPad- 1 / 2 / 3 / 4 or higher, compatible with iPad- mini-2 / 3 / 4 or higher, iTouch 5, compatible with iPad- Pro 3 / 4 or higher, compatible with iPad- air or later. Connect app A - search for "ctrouting" in Google play store or compatible with Apple- App store, or get download link by scanning QR code on package box, and then download app; B - press and hold the button on the intelligent locator, and the LED light will be on when you hear "drop, drop" twice; C - search the smart locator and connect to the application, slide left to delete the tracker-, touch the ">" icon to rename the smart locator or disconnect; D - long press to close. Photo function Smart locator and application connected: -In the camera interface of the application, press the button once to take a picture. packing: 1 x Key Finder (black, green, white, pink-) Usage: please refer to the manual Product material: ABS + electronic components Package list: 1 * tracker- 1 * English manual Notes: 1. 1 inch = 2.54 cm 2. Please measure it yourself to choose the right size. 3. Due to the difference between the different displays, the picture may not reflect the actual color of the item. Thank you! 1 Bluetooth version: Bluetooth 4.0 Low Energy 2 Compatible Phone: compatible with iPhone4S/5/5S/5C, compatible with iPad Mini, iTouch 5, compatible with iPad 3/4, compatible with iPad Air and Andriod system with Bluetooth 3 4.0 Smartphone(Andriod 4.3 version and up-grade version) 4 Suitable for: Wallet, Car, Kid, Pets, Bags,Suitcase or other belongings. 5 Battery : CR2032 Lithium Coin Battery