1. WIDE RANGE OF APPLICATIONS Minimize energy loss and safety concerns through smart notifications, ideal for refrigerators, air conditioners, safes, and security doors that promote versatility and secure management. 2. INTELLIGENT DETECTION SYSTEM Uses intelligent detection mechanisms and precise builtin sensors to alert users with voice notifications when doors or windows remain open, seamlessly promoting a safe living environment and enhancing comfort. The smart technology ensures no alarm is overlooked. 3. EASY TO INSTALL Benefit from a straightforward installation process that requires no technical knowledge, making this freezer door alarm effortless to use. 4. ENERGYSAVING SOLUTION A costeffective choice, the energysaving design ensures minimal power consumption during daily use, helping reduce longterm energy costs. This innovative freezer alarm technology is for those seeking a practical and sustainable solution without compromising efficiency. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.