TOBWOLF 2pcs 9V 1A Power Adapter 9W AC 100V-240V to DC 9V 1A Universal Switching Transformer 9V 1A Switching Adapter AC to DC Converter for MP3 MP4 Router 5.5mm x 2.5mm Plug

️【9V 1A Power Supply】-- Input voltage: 100V-240V 50/60Hz; Output: DC 9V 1A (9W) max; Output adapter jack size: 5.5mm x 2.5mm, but with internal center spring contact Also compatible with DC 5.5x2.1mm socket. ️【Multiple Safety Protections】-- Smooth and flicker-free output, over-voltage protection, over-current protection, short-circuit protection, over-temperature protection. ️【Voltage Consistency】-- No voltage fluctuation when powering on, transmitting, receiving or powering off. Power adapters protect electronic products from destruction. No sparks when plugged in, quiet and won't overheat. No need to worry about fire explosion or impact. ️【Note】--DC must be 9V DC. Not lower/higher than AC 9V or 9V DC. Please make sure the device has a rated power less than 1A 9W. ️【Widely Use】-- This 9V 1A power adapter is perfect for 9V devices below 9W, such as charging devices, MP3, MP4, routers, controllers and other household devices.