The Crouzet / Syrelec product accepts a single input voltage and has 6 time ranges covering 0.1 seconds to 10 hours. The Macromatic product accepts universal input voltage of 12-125 VDC and 24-240 VAC and it has 16 time ranges covering 0.05 seconds to 100 hours. The Crouzet / Syrelec product has the ON-Delay function only, The Macromatic product has 8 timing functions which includes the On-Delay function.