Specification: Color: Black. Display Type: Led. Measurement Accuracy: 0.01. Number Of Replaceable Accessories: 1. Batteries Included: No. Assembly Required: No. Power Mode: Dry Cell Type. Recommended Use: Office, Outdoor. Features: Intelligent MCU control: When the alcohol content exceeds the current limit level th device will issue audio and vioce warning to remind you of your safety. Good quality: Breath alcohol tester is a tester designed to measure the results of human breath alcohol concentration. Advanced sensor: Adopting advanced flat alcohol sensor with excellent sensitivity and sense of responsibility. Suitable for many occasions: Company Dinner, friends gathering, Dally drinking, driving and drinking. Package Included: 1  x Alcohol Breathalyzer( with Advanced Sensor)