Extech HW30 HeatWatch™ Humidity/Temperature Stopwatch
| Specifications | Range |
|---|---|
| Timing capacity | 9hrs, 59mins, and 59secs |
| Accuracy | ±5 seconds/day |
| Alarm | Yes |
| Countdown Timer | Yes |
| Lap Memory | 30 laps |
| Heat Index | 70 to 122°F (22 to 50°C) |
| Temperature | 14 to 122°F (-10 to 50°C) |
| Humidity | 1 to 99% |
| Dimensions | 3.1x2.6x0.8'' (79x66x21mm) |
| Weight | 3oz (85g) |
