... -computer control, 1~2 group(s) relay output. 2)Multiple timing unit optional, including 0.01 second, 0.1 minute etc., which ... unitsThumb switch buttonDisplay units4-digit LEDOutput mode optionalOne group of relay pick-up;Pause, zero, reset functionTiming unit optional0.01s, 0 ... .1s, 1s, 0.1m, 1m, 0.1h, 1hTiming range0.01~999Power supply85~265VAV SMPSContact capacity250VAC 3A (at resistive load)Power ...