This rechargeable breathalyzer is designed for convenience. It features a memory function to track previous results and a builtin warning to encourage responsible drinking. Not only an alcohol tester, but it is also a window breaker with a builtin stainless steel seat belt cutter for rapid escape in emergencies. Suitable for social hosts, party goers, and responsible drivers, this breathalyzer is a must have tool for anyone who values informed decision making. For home parties, gatherings, or any social event, this breathalyzer lets users check their alcohol level before getting behind the wheel. Key attributes Function: Breath alcohol content measurement with memory history and a builtin warning. Design: Rechargeable device with a compact form factor. Safety features: Window breaker combined with a stainless steel seat belt cutter for emergency use. Materials: Builtin stainless steel components for the cutting tool. Performance: Reliable memory tracking of results and timely safety warnings. Use scenarios Before driving after a night out, check your alcohol level to make an informed decision about getting behind the wheel. At social events, use the device to help guests make safer transportation plans and reduce risk. In an emergency, use the window breaker and seat belt cutter to assist in a swift escape or rescue if needed.