[POWER ：Input volatage is 120VAC @60Hz; Output rating is@ 12VAC Backward compatibility (AC12V1000mAAC12V700mA AC12V500mA AC12V300mA) can be usedCompatible with Original AC Power Adapter.(w/OD: 5.5mm Barrel Connector )Please check your model whether it is the same as the listing before purchasing.This Adapter is replacement not original. Compatible with : Bose PS51 146225 BOSE Lifestyle PS71 DCS91 PS 71 DCS 91 Transformer FW 6798/B0 FW 6798/BO FW6798/B0 FW6798/BO FW6798/80 178371 Life style Amigo AM-121200A Lifestyle 512 20 40 Music System Transformer 12VAC Power Supply LifeStep LS-5500 LS5500 & LS-5600 LS5600 5500 & 5600 Series Stairclimbers Stepper Life Fitness (Model: MT00-00196-A000) JAMECO RELIAPRO Westell A481212OT AEC-4812G A90-606025 HB-308B JT JT-12V1250 JT12V1250 Amigo AM-121200A PN: 12102320 MODEL: MCAD120050UA6 120VAC AC12V E205337 I.T.E. Power Supply Scout Pro Adventurer Pro and Adventurer Sl Scout Pro and Adventurer Scale Safety Features: High Efficiency and Reliability; Automatic Overload cut-off;Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise;OVP OCP SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) ( Please Note ! that the " Ac Ac Adapter Transformer " available in a number of different New and Old Models Please Make sure Your Model or PN : Match this Listing Thank you MONEY BACK GUARANTEE - If for whatever reason you are unsatisfied with your purchase you may return it for a full refund. We pride ourselves on high quality product and promise you will have the best]