... 3. Input: 90 - 264VAC, 47- 63Hz 4. PWM Design 20W UL/CE Constant Current LED Transformer Feature:Outdoor / indoor LED ... reliability/Low costPass UL, cUL, CE, LPS2 year warranty 20W series models: Model No. DC Output Tol. R&N ... 2, 3, EN61000-4-2, 3, 4, 5, 6, 8, 11, ENV50204Input/Output Cable: UL rate, 18AWG*2C, Length 600mm ... 26mm (L*W*H), 0.22Kg; 60pcs/14.5Kg 20W UL/CE Constant Current LED Transformer