... One alarm for ON/OFF control 2011--HHE series Digital Timer Counter,Timer Relay(Latest)HH4 series, 48*48*80mm,dual line ... diaplaying delay time. Features: 1) Display :4 digit LED in Hour, Munite, Second.2) Scale: 0.01S--9999H for timing. ... manufacture thousands of different models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, ...