[Power Specification]: Input Voltage: 100~240V Input Frequency: 50~60HZ output Voltage: 12V [Compatible with]: QNAP TS-453D TS453D HS-453DX-8G TS-453D-4G HS-453DX HS-453DX-8G-US/ QVP-41C QVP41C QVP-41C-U Silent and Fanless Multimedia NAS Hybrid Storage [Safety]: Tested, Approved and Certified by UL. Short circuit protection, Over temperature protection, and Over voltage protection.PCB & Cover is manufactured with Fireproofing materials.Use temperature protection NTC. Use insulation paper to isolate electrodes. Use fire protection glue paper and silica gel for safety features, it's security when notebook PC computer is working. [Fast and Efficient Charging]:This charger delivers a rapid and efficient charge to your devices, ensuring minimal downtime. Whether you're working on an important project, streaming your favorite content, or simply browsing the web, this charger that sold by PowerHOOD provides a reliable power source to keep you going. [Built-in Safety Features]: Your safety is our top priority. The Charger by PowerHOOD is equipped with multiple built-in safety features, including overvoltage protection, short circuit protection, and overcurrent protection. These features ensure a stable and secure charging experience, giving you peace of mind while your devices power up. [Energy Efficient and Environmentally Friendly]: Not only does the Charger by PowerHOOD deliver impressive performance, but it is also energy efficient. It meets the highest energy efficiency standards, helping you reduce your carbon footprint without compromising on functionality or charging speed. Make a positive impact on the environment while enjoying the benefits of reliable power. PowerHOOD 12V AC Adapter Compatible with QNAP HS-453DX-8G Silent and Fanless Multimedia NAS Hybrid Storage Structure TS-453D TS-453D-4G HS-453DX HS-453DX-8G-US QVP-41C QVP-41C-US Power Supply Charger