- Broad compatibility Designed to prevent energy waste and safety risks, this alarm is suitable for both air conditioners and refrigerators. It offers a versatile application that encourages responsible use while maintaining a safe environment against unintended door issues. - Efficient door monitoring Built-in sensors identify whether freezer doors and related openings are opening or closing. It provides voice warnings for forgotten closures, helping to prevent energy waste and support efficient operation. - Easy installation Offers multiple mounting options and adjustable volume settings. The user-friendly design requires no technical expertise, allowing seamless use in any freezing environment. - Efficient energy management Aimed at energy-conscious households, it minimizes power consumption with an energy-efficient design that aligns with modern resource conservation and operating efficiency. Practical use scenarios - Home kitchen or pantry Install on the freezer or fridge to alert household members if a door is left ajar, preserving food safety and reducing energy usage. - Shared living spaces and apartments Ideal for multi-resident setups where doors are frequently accessed, helping to prevent accidental closures from going unnoticed and keeping temperatures stable. - Small office, cafe, or break room Use in commercial or semi-commercial settings to ensure display fridges or storage freezers stay properly closed, protecting inventory and lowering energy costs. Specifications and key attributes - Function: Door and opening status detection with voice alert prompts for forgotten closures - Compatibility: Suitable for air conditioners and refrigerators - Installation: Multiple mounting options; user-friendly and quick to set up - Volume: Adjustible sound levels to match environment - Performance: Designed to minimize energy use while maintaining reliable operation