Simple to Use: one button operate, and the adjustment knob is easy to control. 1/4inch Inlet and Outlet: quickly and easily for mounting and dismounting. Pressure Units Switchable: it display data with units among PSI, Bar, Kpa.with measuring range of 0-160Psi, 0-11Bar, 0-1100Kpa. Auto-off Function: it will automatic switch off in 10s if there is no operation, very power saving. Reliable Quality: impact-resistant case made of high quality plastic and metal, which is sturdy and durable. Name:Pressure gauge Power Supply:1 x 3V CR2032 button battery (included) Colour:As Shown Material:Plastic+Metal Package Contents: 1 x Pressure gauge 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.