普通人‌可以使用执法记录仪‌，但需在合法合规框架内使用，且设备不得带有警用标志 。‌‌

仪器显示的是呼气酒精浓度，再按换算系数折算成血液浓度（现在按 2300 换算：呼气值 ×2300≈血液值）。
常见显示与对应

蓝科瑞视（深圳）科技有限公司是一家专注于呼气式酒精测试仪领域的高新技术企业，致力于为全球客户提供专业、可靠的产品及定制化解决方案，是行业内值得信赖的合作伙伴。

In recent years, single-officer law enforcement audio and video recorders have been widely used in the national public security system, promoting the openness and intelligence of law enforcement processes. The new generation of recorders features night vision, remote control, and intelligent cloud storage, enabling continuous recording in complex environments.

With increasing public awareness of safety, home-use breathalyzers are gaining popularity in the market. Consumers can test their blood alcohol concentration after parties or drinking occasions to ensure safe driving.

To strengthen public security management, public security organs in many areas have introduced single-officer video and audio recorders for use in scenarios such as street patrols, traffic checks, and handling of public security incidents. The recorders support high-definition video and high-fidelity audio recording, capable of completely recording the entire law enforcement process.

With the development of smart technology, single-officer law enforcement audio and video recorders are gradually becoming intelligent. The new recorders support GPS positioning, real-time cloud uploading, and remote monitoring, enabling intelligent management of the law enforcement process.

Recently, public security departments in many regions have begun to comprehensively deploy single-officer law enforcement audio and video recorders to enhance the transparency and credibility of law enforcement. This device can record officers' audio and video information in real time during law enforcement activities, providing reliable evidence for case investigations and liability determination.