... 0.5psi/0.05barBack-Lit LCD and light on gauge's head (optional)Power:4xAG13 batteryOn ... 6.5 x 2.5cmNet weight: 136gdescription:4 in 1 multi-function tyre pressure gauge Tire Pressure Gauge, tire ... , more elegant.Method of use:1, start tire pressure gauge, on display as "8.8.8", and then ... light according to boot up button, can complete PSI, BAR, KPA threeLED display unit in ...