The instruction manual is always beside 290 nm led . If no such instruction manual is found, you are welcomed to contact us. Then an electronic version may be offered. The instruction manual is aimed at offering you detailed operation and installation info. If you find it hard to understand, video or other effective ways may be available based on the demand.
As a professional led diode manufacturer, Zhongshan Tranch Optoelectronics Technology Co.,Ltd is highly appraised among customers. The led diode series is available in a wide range of types and specifications. Tranch bicolor led red green is manufactured strictly complying with relevant standards. It has been tested under IEC, JISC, RoHS, CE, etc, and the testing result shows that its electrical property and safety performance meet the regulations. This product is more rugged and damage resistant. On the plus side, this product adjusts easily to different environments and it does not tend to shrink or pill over time. Featuring low attenuation, the product has a long service life.
Tranch adheres to the concept of putting customers first. Inquire now!