DIKOO Universal AC to DC Power Adapter Supply 1m (3ft) Length 9V 650mA for Arduino UNO R3 MEAG 1280 2560 Black friday sale 2016 AC to DC 9V/650mA Wall Power Adapter Supply for Arduino UNO R3 MEGA; Working temperature is low, service life is long,Direct current ripple is small, the work efficiency is high; Wide input voltage range, symbol global use standard; With short circuit protection, over current, over voltage and other functions; EMC circuit can effectively eliminate the interference of peripheral equipment, at the same time, has its own anti-jamming performance, high reliability.