... change angle 2) isolated driver, one end power 3) 20W,2000lm, CE/RoHS/TUV ... ≥70Luminous Efficiency100Lm/wOperating Temp. -20°---40°Power factor≥0.95Power Efficiency0.85Operating frequency 50 ... 26cm Features1, Latest lockable rotating end cap (Patent)2, No mercury3, Isolated power supply ( very safe ) ... 30 days for mass production10, Payment: L/C,T/T,Western Union11, Production Capacity: 50,000pcs/month12, ...