Normally open solenoid valve means that when the coil is de-energized, the solenoid valve is open; When the coil is energized, the solenoid valve is closed. Working Current: Less than 0.5A Action Time: Less than equal to 1.5S Rally: Greater than equal 150N Working Stroke: 45mm+/-5mm/1.8inch+/-0.2inch Temperature: -40 Celsius to 105 Celsius/-104 Fahrenheit to 221 Fahrenheit Lifespan: Greater than 50,000 cycles Wire Drawing Length: 100cm/39.4inch Rated Voltage: DC 12V Color: Black Material: Plastic+Metal Package Contents: 3 x Engine Stop Solenoids /> Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.