Feature: 1. SMOOTH USE: Tattoo coil machine in the use of the process after the hand large angle changes will not appear high and low frequency intermittent sound, the sound is crisp and smooth. 2. 10 WRAPS: Coil machine uses 10 wraps copper core coil, which designed for coil machine, with stable current transmission. 3. LINER SHADER: Stable working speed and strength, so that it works for a long time without getting hot. Lightweight, strong force, low power. 4. WORKING VOLTAGE: Tattoo coil machine normal starting voltage is 5V, working voltage is 7‑12V, liner and shader can easily control. 5. PRECISE AND STABLE: The frame is made of alloy, lightweight and processed by precise cutting to avoid size errors of manual machines and to ensure size accuracy and stable operation. Specification: Item Type: Tattoo coil machine Material: Alloy, copper, electronic components Coil: 10 wrap Starting Voltage: 5V Working Voltage: 7-12V Applicable Handle Type: Cartridge needle handle or ordinary handleApplicable Needle Type: According to the handle to choose the appropriate needle Applicable Clip Cord Type: Tattoo hook line. Package List: 1 x Tattoo coil machine