10 Security Protections: The GP2000 smart jumper cable is constructed with all-metal heavy-duty clamps to prevent breakage caused by long-term use. And it has 10 protections(over-charge, over-current, short-circuit, reverse-polarity, low-temp, high-temp, over-voltage, over-load, spark-proof, reverse-charge),making the GP2000 car jump starter safe for anyone to use even in extreme environments from -4°F to 140°F.Affordable and Powerful: More than a portable car jumper starter, this versatile GP2000 jump box doubles as a portable power bank, equipped with two USB outputs (5V/9V/12V) and (5V/2.4A), allowing you to charge your devices on the go. Additionally, it features a 400-lumen LED flashlight (Normal,Strobe,SOS), providing illumination during dark situations and emergencies. With the GP2000 Car jump starter, you can enjoy the convenience of 4 in 1 powerful device at an affordable price.Lightweight and Sleek Design:The GOOLOO portable battery jump starter weighs just 1.2 pounds and measures 7.4 × 3.9 × 1.5 inches. You can easily hold it in your hand, or put it in your pocket, or store it anywhere in the car.Rugged 12V Jump Starter:The hardened plastic and scratch-resistant shell allow the car battery jump starter to withstand drops without issue. Highly Efficient Circuit Design makes GP2000 battery booster boasts a remarkable 24-month standby time,alleviating any concerns about losing charge during storage.IN THE BOX - GOOLOO GP2000 Portable Car Jump Starter Battery Pack, Smart Jumper Cable, USB to Type-C Cable, Storage Case, User Manual.