Packing Specifications: Color: Excellence Red/Space Grey/Night Black/Dark Green Product size: 150*110*45 mm Color box size: 21*20*6.5cm Working voltage: 7.4V Rated power: 20W Charging voltage: 5V Motor revolutions: 3200r/min Battery capacity: 2000 mAh Product gross weight: 0.85 KG Product net weight: 0.57KG Gross weight: 18KG Net weight: 17KG Box size: 42*90*15CM Color box packing number: 16 PCS Switching mode: long press the power button for 3-5s (anti-accidental touch design)