... : A sharp light will alert you constantly when the RF signal in very high level and to choose your calling in ... . Functions: GPS tracker, GPS Guide, History Movements, GPS Defend Rail, GSM Area position, Smart SOS Help, One key call, Call & SMS ... FrameTarget age & gender:6~14 years oldGSM baseband:Infineon ULC2,GSM 900/1800 GPS module:Sirf3 moduleSize:88mm * 42mm * 15mmWeight: 58g,Battery ...