Support 12V auto emegency start Patent Technology， the smallest and lightest one in similar products Support quick charger， low self-discharge ， and up to 1000 times cycle life Support 12V automotive emegency start， and support mobile charging and power supply for various brands mobile phones，PSP and MP3 / MP4 etc. Multiple safety protection design，to ensure zero defect products. Specifications£º Size:131*75*25mm Weight: 225g Output:5v/2A;12v Jump start Input:12V / 1A Full charging time: 3 Hours Starting current:200A Peak Current: 400A Operating temperature: 0 ¡æ-60 ¡æ Operation instruction: 1. When charging，indicator lights will flash one by one. The number of solid indicator lights indicates the battery capacity of jump starter. Full indicator lights are solid when charging is pause or complete. 2. To start the 12V automotive， firstly make sure the power is less than 20%， then connect the cable red clip with car battery positive "+" pole and the black clip with negetive "-" pole， after that connect the cable with the product's start port， then start the car， after start the car，immediately disconnect the product and the cable， remove clip from car battery. 3. Press the switch button 3 seconds to start the LED illumination and then 4 modes of led ligth appear in sequence (normal，strobe， SOS off) if you press lightly. Warnings: 1. Do not reverse the operation sequence of the jump starter 2. Do not use jump starter to start vehicle if the number of indicator lights are less than 3 to protect the jump starter from damage. 3. Remember to remove the jump starter from the vehicle battery within 30s after the vehicle has started. Package Contain: 1 x Power bank battery 1 x Cellphone adapter USB cable 4 x Cellphone connector 1 x Car charger 1 x Home charger (round legs£© 1 x Jumper cable with battery clamps 1 x Box 1 x English Mannual