Description Digital High-Torque HS5645MG: Universal Key Features Programmable Digital Circuit Custom MP/metal gear train technology Perfect for larger airplanes and helicopters Metal Horn Included Overview The digital version of our popular 645 is the HS-5645MG, featuring a programmable digital circuit and our custom MP/metal gear train technology. Perfect for larger airplanes and heli’s, the HS-5645MG will deliver higher resolution and torque than its analog brother. Metal Horn (R-ML) Included Specs Size Category:Standard Type:Digital Application:Larger Airplanes and Helicopters Torque:143.03 oz/in (10.3 kg/cm) @ 4.8V, 168.03 oz/in (12/1 kg/cm) @ 6V Speed:0.23 sec/60 deg. @ 4.8V, 0.18 sec/60 deg. @ 6V Dimensions (WxLxH):0.77″x1.59″x1.48″ Weight:2.11 oz Bushing Or Bearing:Bearing Bearing:Dual Motor Type:3 Pole Gear Type:Metal