LED power supply 12 V DC to 3900.. / 3901.., on/off switchable, , Round.Cable length: primary-side: 90 mm, secondary-side: 80 mm, AMP coupling, primary-side: 230 V AC, secondary-side: 12 V DC, dimensions: D 57.5 mm, H 19 mm Material: Plastic, Degree of protection: according to DIN EN 60529 IP20, Protection class: (EN 61140) II, Voltage: 230V AC 50Hz, Power: 10 W, Control: on/off.