9v 0.5a power supply adapter, plug 5.5mm x 2.1mm for guitar pedal power supply arduino uno r3, arduino mega 2560, massage gun and more,6.8ft cord,ul listed (tip positive)
nput voltage: ac 100-240v 50/60 hz, output: dc 9v 0.5a (500ma)
barrel size: 5.5*2.1mm. cord length: 6.8ft/2m
center positive standard connector:power supply polarity: center or tip is positive (+), sleeve is negative(-), please note that this power supply only works with centain devices with center positive, refer to the following list
【works with】: 9v 0.5a power supply adapter works with guitar pedal arduino uno r3, arduino mega 2560 / nixie tube clock / elegoo, ieik uno r3 / mega 2560 / schwinn elliptical machine, a10 a15 a20 a25 a40 103 120 130 430, schwinn bike, lansinoh smartpump and lansinoh signaturepro