1. Model: K24 2. Media: methanol, fuel, chemical liquid, urea, water 3. Importers: 1 inch internal thread 4. Measurement accuracy: 1% 5. Repeatability: 0.5% 6. Maximum working pressure: 5BAR 7. Operating voltage: 2.3-3.3V 8. Single count: 0.00-9999.9 9. The total cumulative number: 0.00-999999.9 10. Unit: L / L, gal / GAL, pint / , quart / 11. Single measurement cleared: RESET 12. Setting units of measurement: In the standby mode, or raise the amount of current display state, press CAL + RESET button for 5 seconds. Enter unit conversion settings, press the RESET button. Followed by LTR, GAL, PT, QT, LTR to choose the unit of measurement. While the cumulative filling volume displayed in the current unit of measure conversion after, press the MENU key for 3 seconds to exit the unit conversion settings. 13. Note: This product requires 2 AAA batteries for convenient use (batteries not included). 14. Note: Low Battery Tips: When the battery voltage is 2.2V to 2.4V, display LBat to remind the user to replace the battery. 15. Flow range: A:1-15L/Min 16. Colour: Blue & Black 17. Material: PPS+Stainless steel 18. Package Contents: 1 * Flow Meter. Only the above package content, other products are not included. 19. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.