Radel Electronics Pvt. Ltd. Manufactures Digital Tanpura with Auto-save Dual Memory. Radel Electronics Pvt. Ltd. Is an ISO 9001:2000 certified company. The Digital Tanpura with Auto-save Dual Memory is an exquisitely crafted cabinet. It has beautiful natural tanpura sound using the latest sampler technology, and can be used as a 4 or 5 string tanpura. The Digital Tanpura with Auto-save Dual Memory or Sparshini has automatic tuning of 4 notes, and manual tuning of 5th note. The unique feature in the Saarang Sparshini is the touch-sensitive string sensors - it can be plucked and played like a traditional tanpura. It can however also be used as an automatically played tanpura. Auto tuning of all 4 notes has been provided in both modes of operation. The Saarang Sparshini is the ideal instrument for use in concerts. It looks and sounds like a traditional tanpura. An extra speaker in the stem extension provides sound at ear-level.