Applicable space :5m3/h Voltage & power :dc 12v 2.5w Noise level :=35db Remove formaldehyde :95.5% remove benzene:84% remove tvoc:83% Anion: >100, 0000/cc Material:abs Weight:0.32kg Cadr:12m³/h Led indicator:show working status Unit dimension: f83×167mm Gift box:89*89*176mm Main feature : 1. Cold photocatalyst filter:reaction in nature working statues can generate the hydroxyl(oh)which effectively in sterilizes and ddecomposes harmful compounds in air 2. Uv lamp:actives photocatalytic oxidation(pco), sterilizes air 3. Negative ion generator: negative ions produced by the unit bind themselves with airborne pollutants and removes them from the air thereby creating a fresh and cleaner environment.