Kchex Magnetic Gf07 Mini GPS

Type: magnetic gps locator material: plastic size(approx):35*20*14mm quantity: 1pc color: black talk time: 150 -180 minutes standby time: 12 days working time: 4 - 6 days expansion card: mini tf card network: gsm/gprs gsm band: 850/900/1800/1900mhz gms locating time: 25 seconds power input: ac 110-220v 50/60hz power output: dc5v 300 - 500ma battery capacity: 3.7v 400mah li-ion battery working voltage: 3.4 - 4.2v dc storage temp.: -40 to 85 celsius operation temp.: -20 to 55 celsius humidity: 5%-95% non-condensing warning: must insert sim card before charging.