Rollie Systems Programmable Dimmer is a simple to use brightness controller for LED grow lights.
Features fully programmable Start and End times, ramp up and down duration and maximum power(0-100%) of available power. Additional features include a battery backed Real Time Clock, all user settings are stored in flash memory. The main screen shows the current % power being output to the light fixtures, the time to start and time to end. In addition, the target power and room temperature are also shown.