Guy-Tech 21V AC 1A (1000mA) Adapter/Charger for BACK2LIFE GPU48210100WA00 HKA21-1000 HKA211000 MKA21-1000 BL2002 B2L DG120100D DG1201000 BackLife BL Motion Massager

Brand new replacement AC adapter for BACK2LIFE / BackLife motion massagers and compatible models listed above. Input: 110V AC ONLY, NOT AC TO DC. Output: 21V AC, 1A (1000mA). This is a Brand New Replacement, Not Original. Built-in protections include Over Voltage output Protection, Over Current output Protection and Short Circuit output Protection. The adapter features high power exchange efficiency to help control operating temperature and provide stable working performance.