Features:-The shell of the switching power supply 12V 20A power supply adapter transformer is made of durable aluminum. The internal coil is made of pure copper coil, and the service life is more than twice that of aluminum wire.-Excellent drive with built-in safety protection device to ensure safety and stability. Provides overload protection, over-voltage protection, over-current protection and short-circuit protection. -Suitable for LED light strips, also suitable for security surveillance, routers, displays and audio devices with the same current and voltage.Specification:Shell Material: aluminumInput voltage: AC 110V / 220V ±15%Input frequency: 50/60HzOutput voltage: DC 12V 15A/20A/30AOutput power: 240W /360WOperating temperature: 0&de.