KingNeed Hidden GPS Tracker with Multi 180W Car Power Adapter/4 Port USB 5A Output Car Charger/ 3 Cigarette Lighter Ports/ Cup Holder style/ Car Battery Checker/ 2600mAh Battery Hidden GPS Tracker + GSM Alarm + Remote Voice Bug Monitor, looks and works just like the normal Car Power Adapter+buy one get a sim card promotion No installation needed, powered from cigarette lighter, works up to 90 days in sleep mode, even the car is powered off with 2600mAh Lithium-iron battery Car Holder Style Car Adapter with car battery checker to display accurate battery voltage 180w power output, 5A 4 port USB car charger, support most of high-power car electronic, such as refrigerator, inverter, car DVR Self-resetting fuse and 3 cigarette lighter ports installed, it will automatically cut off and recover when detecting over power occurred