Breath alcohol content tester
I. Appearance Diagram and Button Description
II. Specifications
III. Instructions for Use
1. Press and hold the O button to turn on the device, and press and hold the O button to turn off the device.
2. With the device powered on, press the "O" button to start the "Blow" test mode. After a 15-second warm-up, blow air into the top air inlet. A beep will sound when the test is complete, and the result will be displayed.
Note: Do not blow saliva or food residue into the air inlet during the blow process to avoid damaging the instrument.
3. View Records:
Press the O key during the countdown to the second test to view the test data.
4. LED Light Control: Briefly press the "Light Button" to turn the light on continuously. Repeatedly press the button to cycle through the following modes: Constant On, Strobe, Alternating Flash, and Off.
5. Switching Between Chinese and English: With the instrument powered off, press and hold the power button and the light button simultaneously until the instrument powers on. Release both buttons. During the warm-up countdown, simultaneously press the power button and the light button to switch the language (CN EN).
6. Switching Measurement Units: With the instrument powered off, press and hold the power button and the light button simultaneously until the instrument powers on. Release both buttons. After the test results are displayed, simultaneously press the power button and the light button to switch the measurement units.
7. Charging: When the instrument's battery is low, please charge it promptly. Check the battery level to determine the charging status.
IV. Precautions:
1. Prevent the device from falling from a height or being subjected to severe vibration;
2. This product must not be stored or used in environments containing corrosive gases (such as chlorine);
3. This product must use the original 4.35V/3000mAh 18650 lithium battery supplied by the manufacturer, and the battery must not be placed in high-temperature environments;
4. Please use a 5V1A power adapter when charging. Using a non-standard power adapter may damage this instrument.
