Features: Size: 28x13x29.7mm.Compatible with Wltoys 144001 and wpl B1 B16 B24 B36 C14 C24 D12 RC Car. It is used to change the torque speed and angle of RC cars and robots. Applying high- production technology to reduce production deviation and improve product tightness. The maximum torque of this steering servo for the RC car is up to 3.5kg/cm and the speed is up to 0.11sec/60°. After-sales Service Guarantee: Any problem please our store without hesitation. Honor to serve you! Specifications: Name: 3.5Kg servo Dead band: 2μs Working frequence: 1520μs / 300hz Motor: core motor Operating Voltage: DC4.8~6.0 V Operating Speed (4.8V): 0.13sec/60° Operating Speed (): 0.11 sec/60° Stall Torque (4.8V): 3.0kg.cm Stall Torque (): 3.5 kg.cm Dimensions:28x13x29.7mm Weight: 17.5 g Suitable for: Wltoys 144001 and wpl B1 B16 B24 B36 C14 C24 D12 RC Car Package information: Package size: 40*40*20mm Package weight: 24g Package list: 1*3.5kg servo 1 set*other accessories