The DBS-470 has a unique active damping system which reduces vibration by 30% and noise by up to 40 %. Li-Ion Nanophosphate sterile battery technology assures class leading power to weight ratio. A single piece micro adjustable blade guard provides optimum control of the cutting direction for primary sternotomies. Simple 'twist and click' blade guard for quick and efficient use. Unique Li-ION battery fuel gauge indicates battery capacity.