ETL Certified: This charger has passed ETL certification, meeting rigorous North American safety and performance standards. Each unit is tested to ensure stable voltage, efficient power conversion, and reliable protection against overcurrent, overheating, and short-circuit risks — allowing you to charge with peace of mind. Fit for Sharper Image 27v models for the most part – Compatible with 1013983, 1013985, 1013002, 1011666 1012667 (Not for 18V ) models—easy to replace your original charger Not for 18V Models – This 27V charger does not work with 18V massage guns. Please check your device before purchasing User-Friendly & Plug-and-Play – No setup required. Just plug in and power up—perfect for home, office, or travel use Compact & Travel-Friendly – Lightweight design makes it easy to carry on-the-go or store when not in use Fit for Sharper Image it suits most mode: Fit for 1013983, 1013985, 1013002, 1011666 1012667 Devices