CDN Audio/Visual Refrigerator/Freezer Alarm | Room & Refrigerator/Freezer Monitoring, Alert, 39" Sensor Cable, Protects Against Food Spoilage During Power Outages - TA20
To monitor safe food storage temperatures in your refrigerator or freezer without opening the door, use the CDN's audio visual refrigerator and freezer thermometer. With both an audio signal and visual LCD panel with flashing LED lights, there's no guessing.