Safety - Certified and listed by ETL, the US recognized safety standards, passed ETL's stringent tests to ensure you and your devices' safety. Compatible with Multiple Models - Works seamlessly with Sharper Image 1013983, 1013985, 1013002, 1011666, 1012667 and more (Only for amperage equal or less than 1A). Guarantee - Within 30 days of purchase, we offer a no-questions-asked replacement and a 360-Day-Quality-Assurance by the Manufacturer. Check Your Voltage Before Purchase – This charger is ONLY for 27V models. It is not compatible with 18V units—please confirm your device label before ordering. Package - 1 * Power Adapter Compatible with Sharper Image Massage Gun 27V. Built for Active Recovery – Designed for athletes and fitness users who rely on 27V Sharper Image massage guns for deep muscle relief. ✔️Compatible with Sharper Image 1013983 2437599 1011666 Massage Gun