MAINS OPERATED ELECTRONIC TIMER READS 0 TO 99.99 SECONDS. THE DISPLAY COMPRISES OF FOUR 7 SEGMENT DIGITS TO READ SECONDS AND CENTISECONDS. TWO PAIRS OF COLOUR CODED 4 MM SOCKETS WITH PUSH BUTTONS ARE CONTROLLD WITH A MODE SWITCH WHICH ENABLES EITHER MAKE OR BREAK PULSE TO BE USED TO OPERATE THE TIMER. WITH RE-SET ACTION.