GP8 external receiver

This device gives you more flexibility to set up an IR gate to start and stop the stopwatch.

• Temperature Compensated Crystal Oscillator with 0.5 ppm stability.
• IR trigger with 140µs accuracy (accuracy may drop a little when ambient light is intense).
• Powered from the GP8 stopwatch and laptimer (no batteries needed).
• More than 1 can be attached at the same time.
• Compact size.
• Documentation available here.