This is the Futaba S3155 Digital High Speed Wing Servo. / Ideal for wing-mounted applications requiring high speed such as gliders. / / This servo can produce high-current draw from your batteries / If using NiMH or LiPo batteries, make sure they are capable / of delivering sufficient amps. / / FEATURES: Dust and water resistant-not waterproof / Compact design is especially suited for easy installation inside / the wing of smaller gliders, jets and electric planes / Black plastic case / Metal gears (FUTM3331) / One year warranty / / INCLUDES: One S3155 Digital High Speed Wing Servo / One 1" (25.4mm) 4 arm servo horn (installed on servo) / One 1.5" (39mm) 4 arm servo horn / One 1.75" (45mm) straight servo horn / One 1.4" (35mm) diameter round servo horn / Two eyelets / Two rubber grommets / Two 2x12mm washer head self-threading screws (phillips head) / / SPECS: Speed: .15 sec/60° @ 4.8V, .13 sec/60° @ 6V / Torque: 30.5 oz-in @ 4.8V, 35 oz-in @ 6V / Dimensions: 1.2 x .4 x 1.14" (30 x 10 x 29mm) / Weight: .7oz (19.9g) / Lead Length: 6" (154mm)