Install diameter : 52mm Working voltage :9~32v dc Input signal: 10~184ohm we have 2 model Indication range :0~5bar (0~75psi), 0~10bar (0~145psi) Connection type:row insert Backlight color:red Package List 1 x Oil pressure gauges 1 x Wiring harness 1 x Instruction manual please attention if you need sensor ,you need buy it Specification: Operating Voltage:6~24V Conducting Power: < 5W Operating Temperature: -25 ~120°C(120°C MAX 1H) Please attention we have 2 modelOil Pressure Gauge SensorMeasuring Range : 0~5Bar or 0~10Bar hread fitting : NPT-1/8 Alarm : 0.8Bar Standard Resistance Value: 10~184 ohm Protection Rank: IP66 Sensor wiring: G-termination is conected to signal , WK termination is connnected to alarm Packing List 1* Oil Pressure Sensor we have 2 model Oil Pressure Sensor : 5Bar , 10Bar