Extech 365515
Stopwatch/Clock with Backlit Display

• 1/100th second resolution for 30 minutes
• 1 second resolution up to 24 hours
• 12 or 24 hour clock format
• Timing capacity:
  - 23hrs, 59mins, and 59.99secs
  - Basic accuracy: ±3 seconds/day
• Calendar displays day, month and date
• Backlight turns off after 4 seconds
• Water resistant housing and neck strap
• Dimensions: 2.3x2.8x0.5" (5x70x15mm)
• Weight: 2oz (50g)
• Complete with LR44 battery and 39" (1m) snap-away neck strap