Brushless Motor Technology Speed up to 12V / 10,000RPM 150g·cm high torque output for stronger performance Longer service life with more stability and less maintenance Multiple Stroke Options Standard 4.0mm stroke included Bonus cams: 2.5mm, 3.5mm, and 4.5mm Switch easily between lining, shading, and color packing High-Capacity Battery (2400mAh) Lasts 4–5 hours on a full charge Quick recharge in just 3 hours Supports wireless freedom or wired RCA connection for continuous work Weight: 191g Size: 149 × 32mm Voltage Range: 1–12V Motor Size: 20 × 15mm Vibration: 1.5m/s² Noise Level: 53–55dB (low-noise operation)