【High-Precision Technology】Equipped with an advanced chip and smart sensor, this breathalyzer filters out other substances to measure alcohol content accurately. 【Clear LCD Display】Features a high-definition LCD screen for easy-to-read, precise numerical results. 【Contactless Testing】Utilizes breath detection method, eliminating the need for direct mouthpiece contact for a more hygienic testing process. 【Voice Broadcast】Includes an upgraded voice announcement feature that clearly communicates test results for easy understanding. 【Tri-Color Indicator】Uses green, yellow, and red indicator lights for at-a-glance interpretation of test results. 【Rechargeable Design】Features a high-capacity 200mAh lithium battery with an upgraded Type-C charging port for convenience. 【Portable and Efficient】Compact design allows for easy carrying, with up to 110 uses on a single 30-minute charge. Specifications: Voltage: 5V/1A Current: 150mA Rated power: 0.75W Battery: built-in lithium battery (200mAh) Operating temperature range: -5℃-+45℃ Storage temperature range: -20℃-+50℃ Indicator: green/yellow/red Measurement object: breath alcohol concentration Charging interface: Type-C Charging time: 30 minutes Use times: 110 times Material: ABS