TRACK UP TO 140 DAYS: Perfect for long-term GPS tracking without continuous charging of your Atlas GPS Tracker. Extends the GPS mini tracker up to an additional 140 day battery life on Power Saving mode, so you can spend more time tracking and less time charging. WATERPROOF AND CRUSHPROOF: Impervious to dust and liquids, the 140 Day Extended Battery Case can be submerged under one meter of water for up to 30 minutes, (in accordance with IP67 testing parameters) so you can track whatever you need wherever it is. MEASURING LESS THAN 7 INCHES: Featuring industrial-strength magnets, the 140 day Extended Battery Case securely and discretely anchors your tracker to any vehicle or metal surface. RECHARGEABLE RELIABLE VEHICLE FINDER: Add an Atlas tracker & the 140 day battery allows you to manage updates faster, or go for longer battery life - the choice is yours! At 60 second updates the battery life will last around 30 days, depending on movement. With 5 second updates the battery will last around 18 days. Power saving mode last up to 140 days. The Spytec Atlas can be used on trucks and cars and can also be used as a fleet GPS tracker DESIGNED FOR ALL WEATHER USE: Specifically with the Spytec Atlas GPS tracker. (sold separately) With the Heavy Duty Extended Battery Pack and Weatherproof Case, you can extend the life of your battery and protect your GPS tracker and track a vehicle, person, or an asset for up to 90 DAYS. Enhance your tracking experience with the ultimate accessory package. The included case is designed to fit both the GL300 and the 6-Month Battery Pack. Keeping everything in one secure case will help you protect your GPS tracker. It comes with a handle that makes it easy to carry around without drawing attention to yourself. The case is also completely weatherproof, giving you the freedom to use your GL300 in almost any setting. It protects your GPS tracker from the rain, mud, and snow. You can track a vehicle or a piece of equipment outdoors without worrying about the weather. The sides of the case are completely magnetic, making it easy to mount onto vehicles and other metallic surfaces. The case attaches securely, so your GPS tracker will always stay on target. You can leave your GL300 tucked under a car for months on end without worrying about the device falling off or getting lost. The 6-Month Battery Pack and Weatherproof Case are must-have accessories if you plan on tracking anything for more than two weeks at a time. When it comes to GPS tracking, you never know how long you may need to keep an eye on someone or something. Make the most out of your GL300 with a 6-Month Battery Pack and Weatherproof Case.