Infra-red dust sensing detects micro dust and boosts motor speed intelligently. Built-in smart chip optimizes motor speed with 60% power efficiency improvement. ~ Suction power: 27,000Pa Dust box capacity: 0.8L liters Battery life: Up to 45 mins (Eco), 10–15 mins (Boost) battry Capacity : 2200mAh Host Weight : 1.1Kg Including: Vacuum handle motor x 1, Removable battery x 1, Washable dust cup x 1, Cyclone unit x1, Washable stainless steel filter x1, Washable E13 HEPA filter x1, Adapter x 1, Wind pipe x1, Motorized floor brush (washable fluffy roller) x1, Soft brush x1, Crevice nozzle x 1, lCharging adapter x 1 Hypersonics Pro ~ • Return and refund are not accept. • Free shipping to HK/Macau when spending over $500 onwards • China area shipping fee $130 + Local SF Express • Three business day shipping. Sent via SF express. • Exchange of defective units purchased in 7 days ~ Photo For Reference Only