1. Set the interval time and operation time according to the actual oil consumption of the equipment. Long the "SET" key to enter the setting state, then short the "SET" key to select the number to be set, ▲▼ to increase or decrease to time. First enter the interval time (0 ~ 999 minutes), more than 10 minutes is recommended. Then the "SET" key to enter the running time (0 ~ 999 seconds), within 120 seconds is recommended. Finally, long the "SET" key to save. 2. The alarm buzzer rings intermittently, and the display screen shows "" for oil level alarm. Please fill the oil tank. 3. With inching button, and hold the inching button to enter the working state. 4. Use 15#-68# lubricating oil only, recycling is strictly prohibited. If it is not used according to the regulations, the oil pump be damaged.<br><br>Type: 1L Colour: black Material: plastic<br><br>Package Contents: 1 x Solenoid pump<br><br>Only the above package content, other products are not included. Note: Light 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.