Specifications: Size (approx.): 3.1 x 3.1 x 6.1 inches (78 x 78 x 155 mm); Material: ABS, polycarbonate, silica gel; Humidification capacity: 1.5 - 2.0 fl oz (40 - 60 mL/h); Humidification Method: Vaporization type; Capacity: 9.5 fl oz (2 hours; Full light usage time (approx.) Approx. 3 hours. Power supply: USB rechargeable (lithium battery 1,200 mAh); Accessories: USB cable, spare cotton bar x 2; Note: *When used with LED indirect lighting function, the humidification time will be shortened. Please use mineral or tap water if water is used for humidification. Do not use aromatic oils or essential oils. The spray nozzle will clog and cause it to malfunction.