What lamp does the advertisement lamp case use?
High-grade advertising light box signs with LED lights, ordinary advertising lamp box is used fluorescent tube, that is, ordinary home lighting that kind of tube!
PHILPS is good ~ four pass is not bad
This is made with LED beads, with long service life, and energy saving. (usually 5--10 years, and 1000 small beads for 30 hours of electricity.) With conjoined and single, conjoined good welding, the brightness of a single plant is relatively high, it is recommended to use elliptical, because this is both the front and side are bright, bright light angle, high brightness.