Broad compatibility and safety The freezer door alarm increases safety and helps prevent energy waste. It is suitable for freezers, refrigerators, and other cooling units, providing reliable performance across homes, offices, and small businesses without unnecessary consumption or risk. Advanced sensor technology Utilizes intelligent detection with built-in sensors to monitor door opening and closing. It delivers timely spoken alerts for forgotten freezer doors or windows, improving user convenience and temperature control. Easy installation Multiple mounting options and adjustable volume levels, all in a user friendly design, allow seamless use in any freezer environment without technical skills. Smart energy solution Designed for energy conscious households, this alarm minimizes power consumption through an efficient design while maintaining optimal performance. Key attributes Function: door alarm with spoken alerts; keeps doors closed to protect contents and save energy Compatibility: suitable for freezers, refrigerators, and related cooling units Installation: multiple mounting methods; adjustable volume Performance: intelligent sensing maintains accurate door state monitoring while reducing energy use Use scenarios - Home kitchen or apartment: during meal prep, ensures the freezer door is not left ajar, preventing temperature rise and unnecessary energy use. - Small cafe or restaurant: walk in or reach in freezers stay properly closed during busy service, reducing energy waste and protecting stored food. - Utility or medication storage room: preserves required temperatures by ensuring doors remain closed, supporting reliable storage conditions.