Power Specification: Compatible with Sharper Image Massage Gun Charger.Input: 100-240 V, 50/60 HZ; Output: DC 27 V 0.5 A; Plug Specifications: DC 5.5 MM (NOTICE: The Replacement Massage Gun Deep Tissue Charger is a Circular Barrel Connector) This BURFLO Charger Compatible with Compatible with Sharper Image 2437599 (only 27V) 1011666 1013002 1012667 1013983 1013985 2313786 2316222 1014747 1014392 Cordles Deep Tissue Massage Gun; ONLY Compatible with the Models Listed Above Safety Certification:The charger have passed the US charger was certificated with CE,ROHS, FC ,UL safety certification standards.Intelligent output and protection, avoid sparks, overheat,overcurrent. Cable supports safe speed charging and fast data transfer to ensure safety for you and your device Customers Foremost: We're dedicated to providing top-notch after-sales service, always putting our customers first.No matter what the problem with the product is, we will be happy to serve you! BURFLO 27V Charger Compatible with Sharper Image Massage Gun 2437599 1013002 1015817 1011666 1012667 1013985 Adaptor Power Supply Cord AC Adapter(6.5FT Cable)