Uni-K Wireless Tattoo Machine

Material: Aircraft aluminum Motor: Brushless motor, speed 10,500 rpm System: Direct drive system, low wear, efficient power transfer Stroke Length: Adjustable 2.5–5.0 mm (options: 2.5 mm, 3.5 mm, 4.0 mm, 4.5 mm, 5.0 mm) Stroke Adjustment: Loosen bearing screw (1.3 mm hex key) Adjust bearing scale (1.3 mm flathead screwdriver) Tighten screw after adjustment Functions: Timer: Starts when the machine is powered on, retains data after battery change Reset: Hold “ ” and “-” for 3 seconds Memory function: H mode (M1, M2) and L mode (M1, M2) Voltage adjustment: “ ” or “-” in 0.1 V increments Hold for 1 V increments Torque modes: High Torque (H): consistent penetration for crisp line work Low Torque (L): smoother needle action for shading Display: 1.47” OLED HD color screen (shows Bluetooth, battery level, voltage, frequency, time) Battery: 18500 lithium-ion, 1600 mAh (2 pcs included) Battery Voltage: 3.7 V Power Consumption: 5 W Needle Protrusion: 0–5 mm Charging Input: 5 V / 2 A Dimensions & Weight: Weight: 218 g Size: 127 mm × 32 mm Grip Diameter: 39 mm and 32 mm Working Hours: Long battery life with two batteries Colors: Black, gold, grey, pink Package Includes: 1 x Uni-K machine 1 x extra battery 1 x extra grip 1 x charger 1 x data cable 1 x flathead screwdriver 1 x hex key 1 x travel case 1 x outer box 1 x instruction manual Selling Points: Adjustable internal stroke from 2.5–5.0 mm Two built-in batteries for extended operation Direct drive system for efficient power delivery OLED HD display with all key information Four memory slots High & Low Torque modes Extra grip included Bluetooth compatibility with AVA foot pedal Brushless motor for longer life and higher accuracy