🧪 Refrigerator / Freezer Combo Card
✅ Monitors both refrigerator and freezer zones on one card
✅ Reversible color change displays current temperature conditions
✅ Easy peel-and-stick installation
✅ Compact format fits doors, shelves, or walls
✅ No power, wiring, or electronics required
✅ Ideal for food service, healthcare, labs, and cold storage
Unique Temperature Indicator Combo Card can be used in either Refrigerator or Freezer. Includes instructions on front of card and adhesive backing. Adhesive Backing to be applied to inside wall of the refrigerator. ( preferably middle / side ). Do not attach the inside door.
| Type of Sensor: | Liquid Crystal / Reversible |
| Temperature Sensing Range: | Freezer 10°F ~ -5°F (-12°C ~ -21°C) Fridge 32°F ~ 43°F ( 0°C ~ 6°C ) |
| Temperature Accuracy: | +/- 2°F (+/- 1°C) typical |
| Temperature Scale: | °F and °C |
| Dimensions: | 2-1/8" w x 3-3/8" h x .020 mil |
| Weight: | .008 |
| Calibration Available: | Certificate of Conformance ( $ Extra ) |
| Adhesive: | Yes |
| Number of Events: | 4 for fridge and 4 for freezer |
| Color Change: | Reversible |
| Adhesive Type: | 3M |
Refrigerator/Freezer Combo Card