DLC - Tire pressure gauge M/DLC-31427 brand DLC

Product description: Digital tire gauge DLC-31427. Place the gauge nozzle over the valve stem. Press the "On/Off" button. Hold the gauge on the valve until the reading locks on the LCD screen. The gauge can be turned off manually by pressing the "ON" button down for more than 3 seconds. The gauge will automatically turn off after 20 or 60 seconds of use. To get a good seal, please place the air nozzle on the tire facing up or to the side. It is better if the nozzle is around the 6 or 7 o'clock position so you can press firmly on the gauge straight down.