Input: 110V/220V AC; Features: Automatic overload cut-off, over-voltage cut-off, automatic thermal cut-off, short circuit protection. Voltage Consistency: No voltage fluctuation during power up, transmit, receive, or shut down. No fan inside the case for quiet operation. Metal case with ventilation holes for efficient heat dissipation. Suitable for LED strips, 3D printers, ham radio transceivers, CCTV cameras, car subwoofer amplifiers, audio amplifiers, wireless routers, ADSL modems, HUBs, and audio/video power supplies. For indoor use only. Color: As shown Material: Metal Package Contents: 1 x 12V 15A Power Supply Only the above package content is included; other items are not part of this package. Note: Lighting and monitor differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.