Pressure: PSI; Bar; Kpa; Kgf/cm2. Pressure range:3-150PSI; 0-10Bar; 10-700Kpa; 0-10kgf/cm2. Accuracy:±1.5PSI.Back-Lit LCD and light on gauge's head for easy use in dark conditions.Power by CR2032 3V lithium coin cell,3xAG13 battery. Press the On/off key...