HD Digital Display Blow-type Alcohol Tester with Flashing Emergency Light(803)

1. Material: ABS
2. Breath alcohol concentration measurement range: 0-0.20%BAC
3. Voltage: 5V
4. Current: 150mA
5. Interface: Type-C/USB-C
6. Battery capacity: 500 mAh lithium battery
7. Battery life: about 30 days
8. Operating temperature range: -5 to 45 degrees Celsius
9. Storage temperature range: -20 to 50 degrees Celsius
10. Product size: about 155 x 39 x 21mm
11. Product weight: about 50g
12. This product is manually measured, and there may be an error of 0.1-0.2 mm and 0.1-0.2 grams in length and weight; there may be a slight color difference due to display and light problems. Please refer to the actual product!

Instructions for use:
1. When using for the first time, please fully charge before use.
2. Long press the power button "O".
3. "Preheat" for 10 seconds, turn on the machine and enter the preheat countdown for 10 seconds. Please wait for the preheat time.
4. After the preheat is completed, it will automatically enter the blow test countdown for 10 seconds and wait for the test results to be displayed.
5. After displaying the test results for 5 seconds, it will automatically enter the standby mode. Click the "O" key to re-enter the test preheat mode, which supports continuous testing.
6. Set the display unit: After completing 2.3.4. operations, press once within 5 seconds after the display result appears to switch to the next measurement display unit (for example, %BAC - US g/l - European mg/l BrAC - Japan).
7. "O" key: In standby mode, double-click the "O" key to enter the test result query. Click the "O" key on the query menu to query the next record.
8. "M" key: Click this key to turn on the alarm mode, and then click this key in turn to enter the alarm mode, baton mode, and off mode.
9. Note: When the alcohol tester is taken out of the package or not used for a long time, a large amount of gas and other impurities may adhere to the sensor. In this case, you need to press the power button several times to preheat the alcohol tester for cleaning.