1. Pressure protection: When there is no pressure, the oil switch is in a state of relaxation and powerlessness, and the only be fired when the pressure is normal and stable. 2. Switch protection: After the quantitative refueling is completed or the oil pump stops, the oil switch be automatically jumped off immediately and the oil be turned off. 3. Accidental protection: The oil has a tilt protection function. During the refueling process, the nozzle automatically turn off the . During the refueling process, the oil automatically turn off if it falls on the ground accidentally. Pressureless self-sealing refueling are generally used for self-service refueling to avoid oil leakage caused by misoperation. Colour:Red Material:Aluminum Alloy Package Contents: 1 x refueling 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.