(1) If the lens must be cleaned, please wipe it with a small amount of water and a soft cloth (dust-free paper).
(2) Do not clean the lens with industrial solvents, such as alcohol.
(3) The temperature of the lens in the working environment is controlled at -35ºC～+120ºC
(4) Storage environment requirements, temperature: 0ºC ~ 40ºC, humidity: 30% ~ 95%.
(5) The lens has the functions of guiding and concentrating light, and is made of lens material, which can be directly Affect its function, so please do not open the package when it is not in use to prevent dust and other pollution.
(6) Avoid direct sunlight and other rays with ultraviolet rays, which are prone to aging,Discoloration, fission and other adverse effects.
(7) Please wear gloves when installing the lens, the abrasion of the lens surface will affect its light emitting effect.
(8) It is forbidden to contact the product with acidic or alkaline solvents, which are prone to chemical reactions.