feature: Accurate detection: hand- wireless air pump, small and light, easy to carry, with touch screen and dual LED digital display, accurate pressure measurement, timely and intuitive understanding of tire pressure status, to travel safety. Multiple inflation modes: Support multiple inflation modes, switch multiple pressure units with one button, and can inflate car/motorcycle/bicycle tires and balls. Automatic stop function: pull out the trachea to start the machine, support the preset inflation pressure value, automatically stop the inflation after it is full, no need to keep watching, and will not blow out due to over-inflation. Durable and Durable: Built-in 4000mAh high-capacity battery, low power consumption, long standby time, very suitable for outdoor use or . With LED light, it can be used as an emergency light in the dark. Reliable quality: It adopts all-metal cylinder, acoustic noise reduction, and works quietly. High temperature resistant rubber inflatable tube, antifreeze and not easy to break, long service life. Specification: Inflation pressure range: 0-150PSI Input voltage: 5V/2A Battery: Built-in 7.4V, 4000mAh lithium battery Working temperature: 0-60 Item weight: 428 grams size: 160 x 63 x 39mm Material: ABS colour: black Package Contents: 1 x Air pump set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.