Detailed Selling Lead Description
specifications: 
                                 1)power voltage: 220v
                                 2)power frequency: 50-60hz
                                 3)power factor: 0.98
                                 4)coeffcient: 0.95
                                 5)thd: 10%
                                 6)cf: 1.7
                                 7)life expectancy(hrs): 20000hrs
                                 8)ext. dimension(lxwxh): 320x35x28mm
                                 9) for lamp type: 1 x 22w, 1x 32w, 1 x 40w, 1 x 55w
                                 10) metal housing

                                  features: 
                                 1) energy saving
                                 2 )low voltage igniting
                                 3) high power factor
                                 4) low harmonic
                                 5) long life
                                 6) flicker free and no noise
                                 7) easy to install and use