Feature: 1. 10 WRAPS COILS: Designed specifically for coil machines, the 10 wraps copper coils provide high accuracy, stability, and long lasting performance without overheating. 2. STRONG AND POWERFUL: With a lightweight design, the coil machine offers a strong hitting force and low power consumption, making it perfect for professional tattoo artists. 3. ADJUSTABLE VOLTAGE: Tattoo coil machine can be easily adjusted to start at 3‑3.5V and work at 4‑7V, allowing for precise control and customization according to individual tattooing needs. 4. VERSATILE USAGE: Tattoo coil machine is a great tool for professional tattoo artists, especially for liner and shader, and can be used with both cartridge needle handles and traditional handles. 5. METAL FRAME: Made from excellent metal material, the tattoo coil machine is lightweight and precise cut, ensuring accurate size and quality build. Specification: Item Type: Tattoo Coil Machine Coil: 10 Wraps Material: Iron, copper, electronic components Starting Voltage: 3-3.5V Working Voltage: 4-7V Frequency: 4.5-5.5V 125Hz 5.5-6.5V 128Hz Applicable Handle Type: Cartridge needle handle or ordinary handle Applicable Needle Type: Select the appropriate needle according to the handle Applicable Clip Cord Type: Tattoo Hook Line. Package List: 1 x Tattoo Coil Machine Note: Not included clip cord.