Specifications: -Product power: 120W -Operating voltage: DC12V -Maximum operating current: 10A -Maximum pressure: 100PSI -Flow: 35 / min -Power cord length: 3M -Continuous working hours: 10 min -LED LIGHTS digital tire pump is equipped with bright and long-lasting LED lights for easy night use. Directions For Use: Insert the cigarlighter plug into the car's DC12V jack and start the car. Put the inflatable nozzle on the tire that needs to fill the air. Key Description: R key for the unit conversion key; "-" for minus key; "+" for plus key, any press for the "-" or "+" will lead into the default value mode. The inflatable pump inflated default value defaults to 30PSI, if you want to set the default adjustable button (+ key up, - key down, Maximum pressure 100PSI) Cautions: 1.In the summer high temperature environment, the continuous work for more than 10 minutes, please pause, cooling 5 minutes to use again. 2.Very few cases, because of the reason for the old car battery,the current instantaneous more than 15A will blow fuse, at that time,the product will not power and LED lights are not bright. Don't worry, we've provided a spare fuse for a rainy day. 3.About tyre pressure: Sedan 2.3-2.5kfg/CM3,SUV,MPV2.5-2.8kfg/CM3,Vary according to tyre size. Please follow the tyre specification. 4.Before use, please start the car engine to ensure the current stability.5.This product only can be used in the car , not suit for home or other place Package Includes: 1 x EVAJULLY 12V 60 psi car pump air compressor auto metal mini tire compressor electric portable tyre inflatable pump 3 x Extra Air Nozzles Adapter 1 x Manual