Overview Input: 100V-240V
50/60Hz; output: 12V DC 2A max; DC plug connector external diameter is 5.5 mm internal diameter is 2.1 ~ 2.5 mm. Comes with a female DC barrel connector. You can easily screw wires on it without soldering. Safety Manufactured with high quality material and built-in protection of over current over voltage short circuits. COMPACT DESIGN and LOW CONSUMPTION makes it ideal for taking around and using at home. Compatibility This 12 Volt 2 Amp power adapter will adjust the output current (2000mA Max) accordingly to different devices If your device draws 1000mA then 1.0A will be supplied. If draws more than 2000mA only 2A will be supplied. Compatible with 12V but Devices not exceeding 24 watts. Application perfect for 12V devices less than 24W such as LED light strip CCTV camera security system Bluetooth speaker keyboard TV boxes webcam router Computer PC Case Fan Motor Arduino PCB Design Computer Speakers Digital Photo Frame External Hard Drive Foot Back Neck Shoulder Massager Fresh Water Bilge Air Pump etc. Customers can receive a full refund within 30 days or a one-year warranty.