vImportant Safeguards and Warnings1.Electrical safety All installation and operation here should conform to your local electrical safety codes. We assume no liability or responsibility for all the fires or electrical shock caused by improper handling orinstallation. We are not liable for any problems caused by unauthorized modification or attempted repair.2.Transportation Security No heavy stress, violent vibration or contact with water is allowed during transportation, storage andinstallation. Please use the original packing material (or the material of the same quality) when you ship it back to themanufacturer.3.Installation Do not apply power to the product before completing installation. Do not put object(s) on the product.4.Environment This product should be installed in a cool, dry place away from direct sunlight, inflammable, explosivesubstances and etc. Please keep it away from environments that contain electromagnetic radiation or objects that produce it. Please keep sound ventilation around the device at all times. Do not allow the water and other liquid to penetrate into the device if casing has been compromised. Thisseries product complies with the IP66 standard specified in the Degrees of Protection Provided byEnclosure. Please make sure the CCD (CMOS) component is away from the radiation of the laser beam device.Otherwise it may result in CCD (CMOS) optical component damage.5. Daily Maintenance Current series product has no power button. Please unplug all corresponding power cables before yourbegin installation or daily maintenance work. Please keep the dustproof cap back to protect the CCD or CMOS part if the device does not work for a longtime. Do not touch CCD (CMOS) component. You can use the blower to clean the dust on the surface of thedevice. You can use the dry cloth with some alcohol or mild detergent to clear if necessary. Do not use volatility solvent such as the benzene or thinner, or detergent with strong abradability. It mayresult in lens damage or it may adversely affect the device performance.