The Dumas Sail Control Unit is a motor driven unit with a swinging arm to control the jib and mainsail simultaneously. The #3701 comes in kit form and uses 4.8 volt to 6 volt battery power. Recommended for sail boats over 36" in length with sail area over 700 sq.in. Batteries not included.
Measurements: 2"W x 2-1/2"H x 5-1/8"L
Weight: 8 ounces
Travel Time: 5 seconds
Torque: 40 inch pounds