Century Timer Short Period Repeat Day/Night Cycle Timer, or 24 Hours Operation

This timer works perfectly for my indoor grow light setup. I can flexibly switch between day, night and 24-hour cycle modes, and the short repeating cycle settings are far more precise than old mechanical timers. The display is legible, programming steps are straightforward, and it has stayed stable through weeks of continuous use. It saves me lots of daily manual plugging and unplugging work, strongly recommended for plant grow systems, small pumps and regular household lighting control.

es un gran producto!

Super easy to setup and use. I tried different timers - one mechanical timer where I could setup for 30 minutes on and thirty minutes off. That one was OK but I really needed 20 minutes off followed by 20 minutes on continuously. This timer is perfect for my application, not only doing the 20/20 cycle, but it will allow for adjustments like 25 minutes on and 15 off. Fantastic!

Works exactly as advertised. Using it to scare Darlings from cherry trees

I used this for my aquarium light, and it works as expected, makes it lot easier for me to adjust the light timing for the plants in aquarium. Very easy to use and good quality.