Specification: Name: Breathalyzer Size: 10* 8* 2.5cm/ 3.94* 3.15* 0.98in Sensor: Advanced Flat Alcohol Sensor Working temp: -10~+50℃ Detecting range: 0.00-0.20BAC％; 0.00-2.00g /L; 0.00-2.00BAC‰; 0.00-1.00mg /L; 0.00-200mg /100mL Alert level: 0.05BAC％; 0.50g/L; 0.50BAC‰; 0.25mg /L; 50mg/100mL Battery: 3 * AAA batteries (Not Included) Resolution: ±10％F.S Working Voltage: DC 4.5V Working current: ≤ 120mA Highlight description: [Breath Alcohol Tester] Breathalyzer is designed to measure a person's breath alcohol concentration, and it adopts an advanced flat alcohol sensor, offering excellent sensibility and reliability. Model: AT6000 [Safe Driving] The breath alcohol tester will give out audible and visible warnings to remind you that your alcohol level has exceeded the current limit to ensure safe driving. [Portable Size] Size: 3.94* 3.15* 0.98in. This alcohol breathalyzer is compact and lightweight, convenient to take it with you anywhere, and does not take up much space. [Reset Device] When the breathalyzer has not been used for a few days, please press the reset button to start it as it takes some time for the sensors to heat up and reset. [What You Get] You will get a breathalyzer that owns an LCD screen, using more intuitively and 20mouthpieces. And if you have any questions, please contact us. Parts List: 1 * Breathalyzer 20 * mouthpieces 1 * User Manual Note: 1. The color may be different due to different monitors. Please refer to the item you receive. 2. Please allow slight dimension difference due to manual measurements. Thanks for your understanding. Breath Alcohol Tester: Breathalyzer is designed to measure a person's breath alcohol concentration, and it adopts an advanced flat alcohol sensor, offering excellent sensibility and reliability. Model: AT6000 Safe Driving: The breath alcohol tester will give out audible and visible warnings to remind you that your alcohol level has exceeded the current limit to ensure safe driving. Portable Size: Size: 94* 15* 0.98in. This alcohol breathalyzer is compact and lightweight, convenient to take it with you anywhere, and does not take up much space. Reset Device: When the breathalyzer has not been used for a few days, please press the reset button to start it as it takes some time for the sensors to heat up and reset. What You Get: You will get a breathalyzer that owns an LCD screen, using more intuitively and 20mouthpieces. And if you have any questions, please contact us.