OEM Smart Sensor Wifi Hepa Filter Ionizer Air Purifier For Home Model H-ES1 Filter system Pre+HEPA11+Activated carbon Anion 3mil. ions/cm³ CADR(PM) 50m³/h Area <20m² Power 14W Rated voltage/frequency DC24V 1.0A Noise(SPL) (high speed) <35dB Features Smart stereo/Touch Control Panel Product Dimension 21x16x29cm Packing Dimension 25*25*34cm Weight 1.8kg Loading quantity 1200/20' 2852/40'H