【Intelligent High-Sensitivity Chip】Equipped with a smart, highly sensitive chip for continuous testing, eliminating misreadings and ensuring quick, accurate detection without the need for airflow. 【Voice Assistance】Features intelligent voice prompts providing clear instructions throughout the testing process, allowing users to easily review the last 50 test records. 【Alcohol Detection Alarm】The non-contact breathalyzer flashes a red light when alcohol is detected, exposing any traces. It also functions as a traffic baton with alternating red and blue lights for prominent safety warnings. 【High-Resolution Display】Boasts a high-resolution TFT color display with night vision capability, ensuring clear and comfortable reading even in low-light conditions. 【Long-Lasting Battery】Powered by a 500mAh high-capacity lithium battery, providing over 15 hours of continuous operation on a full charge. Equipped with a standard Type-C charging port and ultra-bright LED light source for low power consumption and high brightness. Specifications: Material: ABS Charging input: 5V/1A Current: 150mA Operating temperature range: -5℃~+45℃ Storage temperature range: -20℃~+50℃ Indicator: blue/red Detection method: semiconductor gas sensor Breath alcohol concentration measurement range: 0-200mg/100mL Measurement object: breath alcohol concentration Operating voltage: 3.7V Charging interface: Type-C Charging time: 30 minutes Number of uses: 500 times Sensor replacement: no Strong light: white light High-precision alcohol tester Built-in battery: lithium battery (500mAh)