DIKOO AC Power Adapter Output 6V 1A Wall Charger DC Adapter 1M (3ft) Length US Plug 5.5 x 2.5mm/5.5 x 2.1mm for Trash Can Arm Blood Pressure Monitor Doorbell Alarm AM/FM (PLS check output size in pic) Warnning:Before you place order , please check the Adapter plug and value match with your devies or not,please check detail in the listing. Plug Type:5.5mm x 2.5mm and 5.5mm x 2.1mm,wire Length:3.5ft. 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.