Double Imperium TimerDouble Imperium Timer Precision Feeding From 1 Second to 15 Minutes The Double Imperium Timer offers precision feeding that can be adjusted to suit each life stage of your crops. Imperium feed duration controller enables growers to set the duration of feeds to the second as well as being able to set the frequency of feeds, without the use of a separate segmental timer unit. Function Provides precision control over feed time duration. 28 feed duration