Ultra Compact Digital Timer - H5CX Series H5CX Series of ultra-compact digital timers provide advanced functions and security settings to suit your timing needs. Features and Benefits 12 mm character height Shorter body depth Three-colour display value, red, green or orange Up/Down keys for each digit Twin timer and variable ON/OFF duty modes Service life notification - the number of times that the control output turns ON is counted and an alarm is displayed when a preset count is exceeded Setting upper limit prevents unwanted operation Isolated power supply and input circuits (Prevent unwanted circuit paths) on 100-240 V ac versions 0.0001 s to 9999 h, 10 ranges Input NPN, PNP and contact