This is a 12V 5A/10A/15A Switch Mode Power Supply SMPS. It works efficiently and is only low heat. Its output of constant voltage ensures the stability of power supply. The switching power supply is provided with protection against over voltage, short circuit and overload. With the anti-interference function guaranteed a long lifetime of the LED lamps. Switching power supply products are widely used in: industrial automation control, military industry equipment, scientific research equipment, security, monitoring, entrance guard, building intercom, LED lighting, advertising lights, industrial control equipment etc. Features: Auto-Recovery After Protection Universal AC input / Full range 100% Full Load Burn-in Test Cooling by Free Air Convection High Quality and High Performance LED power supply with a metal body for hidden installation for LED lighting Design with Built-in EMI Filter, improve signal precision. No Minimum Load. Specification: Input Voltage: AC 110 – 240V 50 / 60Hz Output Voltage: 12V DC, 5A/10A/15A Output voltage: Adjustment Range: ±20% Protections: Overload / Over Voltage / Short Circuit Category: Switch Mode Power Adapter (SMPS) Shell Material: Metal Case / Aluminum Base Color: Sliver Package Includes: 1 x 12V 5A/10A/15A Switch Mode Power Supply SMPS please check : /