Feature:1. Potable: Contactless alcohol tester easily fit in your purse or pocket, perfect for weddings, parties, banquets or other social events to ensure you drink and drive safely. Just needs a small space to store.2. Accuracy: Drive alcohol test using sensitive semiconductor sensors, you can accurately show the alcohol level in your body. Built in 200mAh rechargeable lithium ion battery, it can provide long service on a single charge.3. Easy Use: Home alcohol detector simple to use, just blow into the device for 10 seconds and the results will be displayed on a bright, easy to read screen. LCD display with different light indicators.4. Blowing Test: Contactless test, shareable use with friends, safety, and health, low use cost without mouthpieces design. Blowing without contact measurement is more hygienic.5. Breath Alcohol Tester: This alcohol detector can respond and recover quickly. It also provides you with a reliable and stable result whenever you test, good for personal, professional, drivers, parties, families in household parties use.Specification:Item Type: Alcohol TesterMaterial: ABS+Electronic componentsBattery Type: Lithium battery (with built in battery for shipping)Battery Capacity: 200mAhMeasurement Range: 0-0.20% BACOperating Temperature Range: -5C to 45CStorage Temperature Range: -20C to 50CModel: MR993Package List:1 x Alcohol Tester1 x Data Cable1 x User Manual