Sunsbell&reg; Mini Waterproof GPS Tracker Locator With Google map For child /Pets/Dogs/Vehicle Dim.: 77mm x 37mm x 23mm; Weight: 50g Network: GSM/GPRS; Band: 850/900/1800/1900Mhz; Waterproof level can reach IPX-6. Small, widely applicable areas: car rental / small fleet management, outdoor sports, children / elderly / disabled persons / pet / valuables care, personal security, personnel management, tracking and positioning Package Contents: 1 x GPS Locato, 1 X charger, 1 x USB cable, 1 x Manual Usage: Please charge 12hours at first use; Insert SIM card in right way. Please put the unit outside and make sure the trademark side facing up; Confirm your SIM card have calling, send SMS, GPRS function; Confirm your SIM card have enough balance (money); Confirm your SIM card can show caller ID and don not use call forwarding function