Features: 100% brand new and high quality Realize fast constant temperature charging, constant current charging, balanced charging, with protection functions such as overcharge, overcharge, overload, reverse connection, short circuit, etc., to ensure that the equipment that needs to be charged is not damaged. Start at low temperature, not afraid of severe cold, and can still be used normally at minus 20 degrees. The high-performance polymer lithium battery is equipped with a smart power IC, which can be used in severe cold areas. In summer, the temperature inside the car is as high as 65 degrees and the environment adapts to a wide range, which makes it more comfortable to carry with the car. It can be used to charge mobile phones/digital devices. Package Includes: 1x Car Battery Starter 2x Battery Clamp [Black + Red) 1x Manual User Specifications: Material: ABS Size: About 15x8x2cm/5.9x3.14x0.78inch Color: Black / White Product Weight: 260g Starting Current: 400A Peak Current: 200-400A Applicable Temperature : -20 degrees-+60 degrees Product function: car start, digital charging, lighting function Input port: 5V/1A Output port: 5V/2A 12V note: 1.Please allow 1-2cm error due to manual measurement, make sure you do not have mind before you order. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.