EXTECH Digital Stopwatch Relative Humidity NIST, 2ENF7

Digital Stopwatch Relative Humidity and Temperature 9 hr 59 min 59.99 sec Timing Range Accuracy +/-5 sec/day 2-line LCD Display Elapsed Time Yes Split Time Yes Calendar Display Yes 12/24 Hour Clock Operation Yes Programmable Alarm Yes Countdown Timer Snooze Alarm No Hour Chime No 99 Lap Counter 30 Laps or Splits Memory Recall Heat Index 70 to 122 F Temp Range 14 to 122 F Relative Humidity Range 1 to 99 Percent Water Resistant No Battery Type CR2032