This is the Futaba BLS352 Brushless High Torque Servo. This servo produces high-current draw from receiver batteries use only NiCd receiver batteries. FEATURES: Ideal for use as a steering servo for 1/8 scale buggies and truggies and other applications requiring similar torque and speed Equipped with a brushless motor that lasts longer and operates smoother and faster than brushed motors One year limited warranty INCLUDES: Futaba BLS352 Brushless High Torque Servo 0.83" (21mm) Round Horn 1.7" (44mm) long Three Point Horn 3x8mm Horn Screw, FUTM2290 Two Rubber Mounting Dampers Four Eyelets Instruction Sheet NOTE, Mounting screws are not included, order FUTM2250 if needed REQUIRES: Installing in model, connecting linkage and connecting to receiver SPECS: Speed: 0.19 sec/60° at 4.8V 0.15 sec/60° at 6.0V Torque: 200 oz-in at 4.8V (14.4 kg/cm) 250 oz-in at 6.0V (18.0 kg/cm) Size: 1.6 x 0.8 x 1.5" (40 x 20 x 37mm) Weight: 2.2 oz (63g) Horn Screw Size: 3x8mm COMMENTS: For use only with FM, PCM and HRS systems. Not for use with AM systems jxs 4/09/08 ir/jxs