27KPA POWERFUL SUCTION: Dreametech T30 cordless vacuum cleaner can generate up to 190AW suction power,,,, which satisfies most cleaning demands. It can quickly pick up dust,,,, dirt,,,, and pet hairs. MULTIPLE INTELLIGENT SENSING TECHNOLOGY: Dust sensing technology can show different dust concentration; Brush is equipped with recognition technology to automatically adjust suction between hard floors and carpets; therefore it can reasonably use battery electric quantity of vacuum cleaner. DETACHABLE LARGE CAPACITY BATTERY: The Detachable soft-packing lithium battery - 2,,,,900mAh large capacity battery,,,, runtime up to 90 minutes,,,, enough power to clean longer. SMART SCREEN: it can show clearly the cleaning information,,,, historical records,,,, fault guidance information,,,, Modes,,,, and remaining run-time are updated in real-time,,,, it will show different 3 colors according to Dust concentration; it makes your cleaning more intelligent. SUPER CONVENIENT USER-FRIENDLY DESIGNS: The self-luminous LED flat nozzle; V-shape roller brush + comb structure can effectively prevent hairs from wrapping around the roller; flexible elbow joint,,,, easier to clean cabinet top/furniture bottom. Note: we offer a 1-year warranty for DreameTech T30.