Do not WANT cheap made GPS trackers? Then this product for you. Professional portable 4G GPS tracker for kids, elderly people, vehicles. SIM card support: (works in any country). Or any other SIM card. 4G Support and 3G backwards compatible. Free subscription, Free APP for iPhone and Android devices. Keyring Hole for lanyard. Man Down Alert – for elderly people when someone falls down. Listening function with built-in MIC. Emergency call – press CALL button to mack a call to pre-stored number. Battery life- up to 40 hours in active mode or up to 180 hours in energy saving mode. Keep your GPS history up to 1 year. Dimensions :108mm x 52mm x 18mm. B1 B2 B3 B4 B5 B7 B8 B28. Band : 3G WCMA 850/2100/900/1900/800Mhz. GPS accuracy : 5m (16.40 feet). Time To First Fix :Cold status :35-80s. Wall charger :110-220V input. Battery : rechargeable 3.7V 2000mAh Li-ion battery. 1 x 4G GPS Tracker. 1 x USB Data Cable.