Programmable electric timer Industrial used timing/time delay device Count up/down,0.1%FS Range:0 ... it does not depends on the hours. Models: Model and TypeOutputPresetDisplayDisplaySizeHH4-4RNRelay output1 preset 0.01s~9999H4 digit48× 48mm ... models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, ...