Paterson Darkroom Triple Timer

This Paterson Timer is a battery operated timer that can be used as a clock, stop watch or three stage timer. The three countdown stages can be run simultaneously or as separately switched timers, each counting up again after reaching zero. The timer can be set up to 20 hours, and ...This Paterson Timer is a battery operated timer that can be used as a clock, stop watch or three stage timer.

The three countdown stages can be run simultaneously or as separately switched timers, each counting up again after reaching zero. The timer can be set up to 20 hours, and the stop watch measures to 1/100th of a second. The display can be toggled between 12 or 24 hour displays.This timer includes a AAA battery.