Type:Gps Tracker Use:Hand Held Tansmission range:30m Alerted Size:anti lost finder 32x32x6.2 mm Antenna:50ohm Battery:CR2025,Coin battery,replaceable Weight:11.0g Transmission Circuit:10.5mA (Max.) Service:OEM ODM Compatibility:iOS 7.0+ and Androystem Color:White,Green,Purple customized Name:Bluetooth GPS Tracker