Efficient Shredding: Powerful 15-Amp motor engineered with quiet operation effectively chips and shreds branches up to 1.7 inches thick Reduce, Reuse, Recycle: Reduce yard waste to 1/21th its original size and turn leaves, twigs, brush, and branches into nutrient-rich mulch to boost garden health and appearance Zero Emissions: Power up instantly with the push of a button without the fuss of fuel or fumes, for user-friendly operation season after season; Plus, the integrated safety hopper and locking knob halts operation immediately when opened, ensuring peace of mind during use