Gaurav Engineers Process Instrumentation and Controls manufactures Micro Controller Based Time Switch. Gaurav Engineers Process Instrumentation and Controls is an ISO 9001:2008 certified company. The Company also manufactures various types of electronic equipments. The Micro Controller Based Time Switch, Model GTR 209, has LED indications and battery backup. The Micro Controller Based Time Switch has 3 1/2 digit LED display. This Time Switch has potential free SPDT relay contacts rated 5 Amp at 230V AC resistive load. This Time Switch is available in size of 72 X 72 X 110 mm.