Description: Color: Black. Display type: indicator light. Measurement accuracy: 0.01. Number of replaceable accessories: 1. Including battery: No. Assembly required: No. Power mode: Dry battery type. Recommended use: Office,outdoor. Intelligent microcontroller control: When the alcohol content exceeds the current limit level,the device will issue an audio and purple rose warning to remind you of safety. Good quality: The breath alcohol tester is a tester designed to measure the results of the human breath alcohol concentration. Advanced sensors: Adopting advanced flat alcohol sensors,with excellent sensitivity and sense of responsibility. Suitable for various occasions: company gatherings,friend gatherings,drinking,driving and drinking. Attention: Due to manual measurement,please allow for a slight error. Please make sure you don't mind before bidding. 2. Colors may vary depending on the monitor,please understand. Hello,please pay attention to your shipping address when purchasing products. If your delivery information (such as name,street,house number,doorbell/email without name,etc.) is incorrect,the order will not be delivered correctly Attention: Due to manual measurement,please allow for a slight error. Please make sure you don't mind before bidding. 2. Colors may vary depending on the monitor,please understand. Hello,please pay attention to your shipping address when purchasing products. If your delivery information (such as name,street,house number,doorbell/email without name,etc.) is incorrect,the order will not be delivered correctly Package includes: 1 * Alcohol breath tester