Multipurpose energy saving and safety - Reduces energy waste and increases safety with smart alerts. Compatible with refrigerators, security doors, air conditioners, and safes, delivering reliable, consistent performance for daily use. Upgraded safety alerts - Built-in sensors accurately identify opening and closing states. The device emits voice alerts for forgotten doors or windows, improving security through reliable monitoring. The Freezer Door Alarm is an ideal choice for everyday safety. Easy to assemble - Adjustable volume and multiple mounting options. User friendly setup that requires no special technical skills for installation on your freezer door alarm. Sustainable design - Minimizes power consumption to offer an inexpensive, effective solution for households that value sustainable technologies. Supports energy-conscious behavior and reduces environmental impact. Use scenarios - In a busy kitchen, the alarm reminds you when the fridge or freezer door is left ajar, saving energy and protecting perishables. - At an entry or security door, it alerts you if the door is left open, increasing home security. - With safes or secure cabinets, it signals when a door is opened unexpectedly, preventing unauthorized access and protecting valuables.