Tire Pressure Checker Pen

Design:The Tire Pressure Checker Pen operates without batteries, ensuring complete reliability in varying weather conditions and is an essential tool for road trips and safety checks. High Material:Tyre Pressure Checker PenThe gauge head is made of plastic.The gauge body is made of stainless steel, which prevents rust and corrosion and is durable. The gauge head has a built-in sealing ring that creates a good seal around the tyre valve. Valve cap made of plastic with sealing ring. Measurement Range:5-50 PSI, 0.5-3.5 BAR;Note: Do not exceed the maximum pressure of the gauge or the unit will be permanently damaged! How to use:First unscrew the valve cover, make sure the scale tyre valve has been zeroed, align the tyre valve tight pressure 2S can be measured pressure