DC 12V 20A 240W Switch Power Supply, Universal Regulated Power Transformer for LED Strip Light/CCTV camera/Security System/Radio/Computer Project DC 12V 20A 240W Switch power supply, convert AC 110/220V to DC 12V 20A Safety Compliance CE and RoHS, high efficiency and stable performance Input Voltage 110V/220V is selected by switch before power on. Smart device surge protection for Shortage Protection, Overload Protection, Over Voltage Protection Non-waterproof, In-door Use Only! Metal housing, good heat dissipation, built-in indicator light Great power transformer for all 12V projects, such as 5050/3528/3014/5630/7020 LED Strip light, LED Display, CCTV Camera, Security System, Computer Project, Industrial automation, home applicance etc.