HPS series power supply is single channel output ,High accuracy ,dual LED display .It is continuously adjustable within the rated AC/DC. CV/CC working pattern switch automatically .Full protecting makes it safe to use : over-load protection function.,overheated protection function,short circuit protection function.With the specification of small body ,easy handling, a sturdy case, novel appearance ,good performance, excellent cost effectiveness, It is the ideal power supply unit for science investigation, college, factory, electronic appliance maintenance and etc.