Measurement Error: less than equal +/- 1% Pressure Measurement: less than 43.5 psi gauge (58 psi absolute) Operating Temperature Range: -40 to 267 Fahrenheit (-40 to 125 Celsius) Response: 1ms, 10 to 90% pressure step. Compatible with all aftermarket engine management systems. Pin Out is: A = Ground = Yellow Wire B = Sensor Output = Blue Wire C = +5 Volt Source = Red Wire colour:black Material:ABS Package Contents: 5 x sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.