1. Water proof class IP65 2. Solar battery 3. Big Backup battery: 2500mAh 4.Solar GPS tracker 5.Have emergency lighting. 2011 NEW Arrival Solar GPS tracker with waterproof IP 65 for students,old persons,government,logistics,mobile assets,fleet manag Specification DimensionMain unit : 96mm*51mm*22mmWeightMain unit : 80g, Backup battery : 50gCaseABS, could change colorsWorking current30-60mAWorking ...