Tattoo Motor Machine Power Supply. FEATURES: Wi-Li Power Supply for LED Digital Display Built-in Lithium Batteries Can Be Recycled for High Efficiency and Energy Saving, Charging for About 3 Hours, with Motor for About 5-8 Hours. Long Press + Key 0.8 Seconds to Start, Long Press - Key 0.8 Seconds to Shut Down, + - Key Every Time 0.1V Gear. SPECIFICATIONS: Commodity Quality Certification: 3C Type: Tattoo Power Supply Model Number: W-L1 Power Product Name: WI-LI Wireless Power Supply Socket Specifications: RCA/DC Interface Product Accessories: USB Type-C Charging Cable Product Size: 5.6cm*4.7cm*3.6cm Product Weight: About 55g Charging Line Length: About 120cm Duration of Endurance: 5-8 Hours Working Voltage: 4V-11V Package Included: 1 X Motor Machine Power Supply . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.