Refrigerator & Freezer Door Alarm Sensor with Magnetic Switch - Anti-theft and Entry Alert.

This innovative device is designed to enhance the security and efficiency of your home or business. It features a magnetic switch that detects when a door is opened, alerting you with an audible alarm. The sensor is perfect for monitoring refrigerator and freezer doors, ensuring they are properly closed to maintain optimal temperature and prevent food spoilage. Additionally, it serves as an anti-theft and entry alert by notifying you of unauthorized access, providing peace of mind. Easy to install and compatible with various door types, this dependable sensor is an essential addition to your security and appliance management systems. Order Number: 1 magnetic switch + 1 receiver (door needs to be closed, rings when opened) Power Supply Mode: AC Voltage: 110-220 Ring: 52 types of music, 5 volume levels adjustable to only flash lights Power Consumption: 1 Type: Induction doorbell Manufacture country: China Instructions included: No