Easy to use as a standard timer or automatically triggered by external devices for start/stop via 4mm jack sockets. The stop-clock is a high accuracy timer, with a robust construction ideal for regular use. Colour coded buttons and jack sockets make the timer extremely practical and convenient to use.

• 30ppm quartz crystal with a fixed calibrated capacitor of 27pF for hi-accuracy timing
• 15mm LCD display
• Quick and easy press-button action for activation of start, stop and reset
• Stop, start and reset actuation buttons located on the top of the timer for faster reaction times
• Pressing the reset button during a timing cycle displays the time elapsed
• 4mm jack sockets for start, stop and reset allow automatic triggering of timer by external devices
• Practical and convenient to use with colour coding and clear marking on buttons and jack sockets
• Impact-resistant ABS case with non-slip rubber feet for stability on the bench
• Supplied with battery
• Capacity: 99 mins 59, 99 secs with auto roll-over
• Resolution: 0.01 second
• Accuracy: ±1 sec in 24 hrs
• Power: 1 x 1.5V AAA alkaline battery (LR-3)
• Dimensions: 100 x 105 x 80mm
• Weight: 151g