Hitec HS-430BH Standard Deluxe BB HV Servo FEATURES: For .20-.60 size airplanes, all electric and glow powered 30 class helicopters, and steering and throttle in cars, trucks and boats 6-cell NiMH and 2-cell LiPo compatible Dual ball bearing equipped Direct potentiometer drive INCLUDES: Hitec HS-430BH Servo, 0.92" (23.5mm) Round Horn, 1.2" (30mm) 4-Point Horn, 1.7" (43mm) 4-Point Horn, 1.2" (32mm) Double Arm Horn, 1.2" (30.5mm) Single Arm Horn and Mounting Hardware REQUIRES: Installing in model and connecting linkage SPECS: 6V 7.4V Operating Speed: 0.16 sec/60° 0.14 sec/60° Output Torque: 56.93oz-in (4.1kg-cm) 69.43oz-in (5.0kg-cm) Weight: 1.6oz (45.5g) Size: 1.59 x 0.77 x 1.44" (40.6 x 19.8 x 36.6mm)