You'll get a 30-day return policy, and 24-hour customer serviceThis if this product is not suitable for your mobile phone, please protect the packaging so as not to affect the secondary sales. This 24v10a power adapter has the function of overvoltage, overcurrent, overtemperature, short circuit , and longer life, and comes with a 2-year warrant. 24vdc power supply 10a Adopted safety materials, high temperature resistance, fire protection, easy to use, immediate use. This 24v power supply can be used in any country with a voltage between 100 and 240 volts and a frequency between 50 and 60 hertz. The adapter jack size is 5.5mm x 2.5mm and it is compatible with 5.5mm x 2.1mm. This power adapter is compatible with all of the following voltages: 24V9A, 24V8A, 24V7A, 24V6A, 24V5A, and 24V4A. This 24v power adapter is perfect for LED strips, doorbells, water purifiers, 3D printers, CCTV cameras, car subwoofer amplifiers, power amplifier boards, audio amplifiers, electric blankets, heaters, laptops, wireless routers, ADSL modems , hubs, audio/video and LCD monitors.