The VAR TECH SS 5050 DS is a 50 MHz 2 Channel DSO. It's the latest model DSO from VAR Tech most trusted brand of electronics instruments in India. Buy the advanced DSO from Tomson Electronics, Kerala. VAR TECH products are covered under 1 year Warranty against Manufacturing Defects. https://www.tomsonelectronics.com/products/var-tech-digital-storage-oscilloscope-ss-5050-ds