Specification: Finder distance: 0- 100 Feet BT version: BT 4.0 Color:black, green, white,pink. Battery: Contains CR2032 Lithium Coin Battery (replaceable). Compatible Device: iOS: 7.0 version or later Android: 4.3 version or later compatible with iPad: compatible with iPad 1/2/3/4 or later, compatible with iPad Mini 2/3/4 or later, iTouch 5, compatible with iPad Pro 3/4 or later, compatible with iPad Air or later. Product size: 2x1.2x0.4" Product packaging: opp Package size: 2.4x1.2x0.4" 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. Photograph function The smart locator and app are connected: -In the app's Camera interface, press the button once to take pictures. Package: 1 X Key Finder 1 X manual GPS tracker for keys: Key finder uses BT 4.0 technology to connect Android, iOS, compatible with iPad and other smart phones. Show the lost car key, luggage, wallet, dogs, cats distance from you on the APP to let you find them accurately. APP remotely control: Download free APP then pair it with your smart phone. When you press the remote button, the receiver sounds "beeps" you can hear voices from GPS tracker within 75 ft. 4 pack GPS tracker locator contains black, green, pink,white for kids, pets, phone. Two-way notification: Attach this wireless tracker to anything we always forget key or wallet and keep track of them, the 2-way key finder will lets you track lost items or be notified when they are out of range with a ring or flash. Finder keychain: Key finder smart tracker is compact size, light weight and easy to carry like a key chain on your kids schoolbag or hang on pet collar, real-time viewing locator effectively avoids your kids, pets are lost. Provide a last seen pin-drop on map via APP to help you recover your items and search your car in parking site. Multi-function: Anti-lost alarm, GPS tracking device, remote control self-portrait. Works as a remote shutter for self-portrait, You can remote control the smart phone camera of your with press on the finder button.