Product Description: Model: ZF120A-1204000 Mode: Constant voltage Connection: LED driver Input: 100-240VAC 50/60Hz Output type: Single and DC Output: 12V 4A 48W Efficiency: 85% min. Leakage current: <5mA Size: 120*49*32mm Color: white Certifications: cUL UL CE TUV GS FCC KC SAA RoHS CB C-Tick Operating temp.: -10°C~+40°C Storage temp.: -20°C~+80°C Protection: Short circuit, over voltage, over current Warranty: 3 years Application: LED lighting, LED strip, etc. http://szzhpower.en.alibaba.com/product/60523152606-801978445/AC_to_DC_led_power_supply_UL_listed_12V_4A_led_driver_constant_voltage.html