Description: This 12V 1A power supply adapter converts 110-240V power into 12V 1A, which makes power stable and smooth to protect your devices. Advanced IC protocol ensures the stability and high efficiency of power supply. And built-in over voltage protection, over current protection and short-circuit protection offer a safe adaptation. Furthermore, it passed EMC test to achieve anti-jamming transfer. Features: 100% brand new and high quality. Multi-level Protection - This 12V 1A power supply adapter comes with multiple levels of protections to protect your digital devices completely, including over voltage protection, over current protection and short-circuit protection. Stable & Smooth Transfer - The AC DC adapter adopts advanced PWM design to ensure the stability and smoothness of transfer. High Transfer Efficiency - High transfer efficiency up to 83% to achieve fast charging. Saves your time and power. Anti-jamming Charging - It passed EMC test to provide you with a fluent charging with no stuck or cut. Specifications: Product type: AC DC Adapter Input voltage: AC 110-240V Output voltage: DC 12V 1A Working frequency: 50-60Hz Plug: 5.5*2.5mm Transfer efficiency: 83% Working temperature: -10-50℃ Material: ABS Package size: approx. 9.6 * 7 * 5 cm/ 3.78 * 2.76 * 1.97 in Package weight: 100g Package List: 1 * AC DC Adapter 1、100% brand new and high quality. 2、Multi-level Protection - This 12V 1A power supply adapter comes with multiple levels of protections to protect your digital devices completely, including over voltage protection, over current protection and short-circuit protection. 3、Stable & Smooth Transfer - The AC DC adapter adopts advanced PWM design to ensure the stability and smoothness of transfer. 4、High Transfer Efficiency - High transfer efficiency up to 83% to achieve fast charging. Saves your time and power. 5、Anti-jamming Charging - It passed EMC test to provide you with a fluent charging with no stuck or cut.