This is the S9074SB Serial Bus Digital Programmable Servo from Futaba. FEATURES: Compatible with the Futaba S.Bus System Servo can be easily programmed with the SBC-1 Channel Setting Tool, S.Bus receiver or PCLink software Equipped with metal gears Also compatible with Futaba receivers and transmitters manufactured after 1982 One year limited warranty through Hobby Services beginning at date of purchase INCLUDES: Futaba S9074SB Serial Bus Digital Servo, 0.83" (21mm) round servo horn, 1.7" (44mm) long 3-point horn, two rubber grommets, four metal eyelets and instruction sheet REQUIRES: Programming, installing in model and connecting linkage SPECS: Dimensions: 1.57 x 0.79 x 1.44" (1-9/16 x 13/16 x 1-7/16") (40 x 20 x 37mm) Torque: 278 oz-in (20.0 kg-cm) at 6.0V Speed: 0.17 sec/60° at 6.0V Weight: 2.2oz (63g) jxs 11/15/10 ir/jxs