Extech's Big Digit Thermometer displays indoor and outdoor temperatures concurrently, as well as a user-programmable High and Low alert for outdoor (external probe) temperature. Its wired exterior weatherproof probe, which includes a 9.6ft (3m) thin cable, can be easily inserted through windows, doors, or any other small aperture leading to the outdoors or inside a refrigerator/freezer or temperature-controlled areas/rooms. Internal memory stores minimum and maximum measurements throughout time. Thermometer comes with a built-in desktop stand and a wall mounting bracket.
| Display | LCD, 1 in. (25mm) digit height |
|---|---|
| Range | Indoor (internal sensor): 14.0 to 140.0°F (‐10.0 to 60.0°C) Outdoor (external sensor): ‐58.0 to 158.0°F (‐50.0 to 70.0°C) |
| Accuracy | ±1.8°F (1°C) from 32.0 to 122.0°F (0.0 to 50.0°C) ±3.6°F (2°C) ‐58.0 to 32.0°F (‐50.0 to 0.0°C) and 122.0 to 158.0°F (50.0 to 70.0°C) |
| Battery | One (1) 'AAA' 1.5 V battery |
| Cable | Outdoor temperature sensor cable length: 9.6 ft. (3m) |
| Dimensions | 4.4 x 4.0 x 0.9” (112 x 102 x 22mm) |
| Weight | 6.5 oz. (186g) |
