All-in-one Inflator: Fast / 30min Long Runtime / Portable Design / Protect from over- Despite the small size, the motor is powerful enough to tackle most tasks on the road. Inflates a mid-size tyre within 5 minutes at a rate of 25L/min from 0 to 30 PSI. The smart chip accepts real-time data from the sensor and dynamically adjusts the pressure. Just pre-set your PSI and it would automatically cut-off when reached. More Appalication: Great for bike, mountain bike, motorcycle tires, also for sports and camping equipments. & Portable: This one-piece, mini air compressor has a design, and is well-suited for transport and storage. Less Noise: Sound will not louder than 78.9dB. 't worry about bother the . Colour:black Material:plastic Package Contents: 1 x Air pump(Tag randoms, 't accept the specified) 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.