The Freezer Door Alarm delivers convenient versatility to help prevent energy waste and security risks. It fits air conditioners, safes, refrigerators and security doors, providing reliable monitoring to protect your devices and ensure efficient use. Upgraded safety alerts are built in. The device uses sensors to accurately identify opening and closing states and emits voice alerts for forgotten doors or windows, increasing security through dependable monitoring. Easy installation makes setup simple. No technical knowledge is required, with adjustable volume and multiple mounting options that enable a hassle-free installation of the freezer door alarm. Energy saving solution offers a cost effective choice for environmentally conscious users. The low power design minimizes daily energy use and helps reduce energy costs over time without compromising performance. Practical use scenarios: - At home, prevent freezer or fridge doors from being left open, saving energy and reducing waste. - Attach to safes or security doors to receive alerts if they are left ajar. - Use with air conditioners or other appliances to ensure doors are closed when not in use, improving efficiency.