Based on this product's specifications, here are some alternatives and similar models
Breathalyzer BACscan F-45 0–4% BAC range, 1% resolution, LCD, AAA battery
Summary description:
Portable breathalyzer BACscan F-45 for measuring blood alcohol concentration (BAC) in the 0–4% range with 1% resolution. Features an LCD display, powered by a single 1.5 V AAA alkaline battery. Compact housing (45 × 22 × 112 mm) and boxed packaging make it suitable for personal monitoring, roadside checks, and basic workplace screening.