High Accuracy And Easy To Read Sensitive semiconductor sensor accurately displays alcohol content within seconds. Features a wide LCD backlight display for easy reading. - High Accuracy & Digital LCD Display: This breathalyzer uses a sensitive semiconductor sensor to quickly display alcohol levels in the breath, providing results with precision. The digital LCD screen includes a red backlight for improved visibility in low-light conditions. - Automatic Alarm Function: The device emits an audio alert if alcohol is detected above a certain threshold, helping users make informed decisions. - Portable and User-Friendly Design: Compact, lightweight, and pocket-sized for convenient carrying. Offers simple one-button operation and allows for unit selection and customizable settings. - Energy Efficient: Automatically powers off 5 seconds after each test to conserve battery life. Battery level indicator included. Easy To Use Step 1: Charge the device fully and turn it on with a single button. Step 2: Wait 15 seconds for the device to warm up. Step 3: When the "BLOW" prompt appears with a beep, begin blowing steadily into the device. Step 4: View the result on the display. Warm Tips: - If unused for 15 days, power on the device three times before next use. - Avoid eating, drinking, or smoking for at least 20 minutes prior to testing. - Begin blowing within 10 seconds after the warm-up period. - Blow steadily and avoid letting saliva enter the device. - Perform three consecutive tests and use the median result for best accuracy. Results are for personal reference only and should not be used to determine fitness to drive. Note: - Slight variations in size may occur due to manual measurement. - Colors may vary slightly due to differences in lighting, photography, and screen settings. Included: 1 x Breathalyzer 1 x User Manual