100 percent brand new and high quality Features: Widely applicable to the ozone generator, oxygen generator, negative ion air freshener, electronic tools, massage equipment, process gifts and other fields. In order to avoid water flowing backwards, the air pump should be put 20cm above the water surface or install the check-valve on the outlet pipe. Product surface is made of environmental friendly ABS. Steady air outputs with low noise. Very low vibration. Low-power consumption, continuous operation and long life. Non-oil lubricating design to produce purer compressed air. Noise Level: 40db. When work continuously, the noise level will be below 40db. Ozone Generator Parts only, other accessories demo in the picture is not included. Specifications: Power: 2.5W Voltage: AC110V or AC220V or DC12V Material: Plastic and Electronic Components Size: approx.88x53x35.7mm or 3.35x2.09x1.41in Main Color: Black Quantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Content: 1 x Ozone Generator Parts