Power Specification: For 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, NOT a USB-C Port) Compatible with: Compatible with Massage Gun 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(NOT Fit for 18 V Version) CAUTION: RISK OF ELECTRLC SHOCK DRY LOCATION USE ONLY ATTENTION: POUR UTILISATIONA L'INTERIEURSEULEMENT 27V for Sharper Image Massager Gun Charger for Sharper Image 1011666 1012667 1013002 1013983 1013985 2437599 Deep Tissue Massage Gun, Power Charging Cord for Sharper Image Massage Gun Fit in all of 27V massage guns