Durable magnetic waterproof box designed to protect Tracki GPS tracker (tracker not included) Protects against extreme weather conditions like flood, rain, sand, and snow Compact design measuring 2.4x2.2x1.6 inches (63 x 58 x 42mm) and weighing 6.9oz (195 grams) Includes rechargeable 3,500mAh battery inside the waterproof magnetic box Extended battery lasts up to 2 weeks at 1 min update and up to 12 months in battery save sleep mode Battery has C-type charging port and LED indicators for charging status Powerful magnetic mount securely attaches to steel or iron surfaces or under vehicles Magnet is embedded and molded into the plastic for a secure fit, unlike competing designs Specifically designed for Tracki's Real Time GPS Tracker and fully compatible This item includes the waterproof box and battery only; Tracki GPS tracker is NOT INCLUDED