Asymmetrical Programmable Timer - 10 functions with sensor control input Micro controller based programmable relay, din rail mountable (45mm X 75mm X 118.5mm ) Input voltage 24-230v AC/DC Asymmetrical cyclic five function with memory and non-memory modes Programmable time range from 1 sec to 10 days Display unit for time monitor & settings; Separate safety circuit for monitoring the device.