Cheyenne Sol Nova has a Mode Switch that makes it possible to change power and punch frequency. This machine is compatible with Disposable Grip Ergo One Inch and Ergo Round as well as SOL Nova Grip Steel.Stroke 3.5 mm ideal for good balance between lines and shading.Stroke 4.5 mm ideal for colour fills and for outlining.Features:Continuously adjustable needle depth (0 – 4.0 mm)Connection: Jack 3.5 mmVoltage: 4.7 v – 12.6 vMotor: Brushless DC MotorFrequency: 25 -150 HzSize (Ø x L): 33 mm x 99 mmWeight: 150 gBearing inhibition to prevent the machine from unintentionally slidingManufactured according to medical standard: ISO 13485Made in Germany