1.Non waterproof product has UL Listed and patent product,4ft 14W and 8ft 45W have UL No.:E493044
2.Wider beam angle,It's 2 sides shining(2x140°),Wider beam angle than normal T8 led tube,
3.Rotatable base HO(R17D),Bi-pin(G13) and Single pin(FA8) for option,good for adjusting the shining angle.
4.High luminous which is more than 130lm/W.
5.Unique design is very good for sign box lighting.
6.IP64 Waterproof for semi-outdoor use