Vision Tech Electronics manufactures Electronic Shock Guard with Short Circuit Protection. Vision Tech Electronics is an ISO 9001:2008 accredited company. The company manufactures high quality products. The Electronic Shock Guard with Short Circuit Protection comes with Earth Leakage Protection, Over Load Protection, Short Circuit Protection, Over Voltage Cut-off [280 Vac], Emergency Siren, Attachment for Emergency Light Facility. The switch in Bypass Mode indicates that there is direct electric supply and there is no use of Shock Guard.