Feature: Automatic agriculture with switches, work easier, can be installed on side of the greenhouse, also the top rolling. 24V 100W electric film roller motor, fit for most of your film ventilation roll up work, electric greenhouse frame shed roll-up motor automatic venting solution. The machine is light in weight and small in size, so it's very easy to carry wherever you go. The electric roll-up motor for greenhouse is used extensively in greenhouse such as the solar, vegetable, breeding , flower, connecting film , fruit and other assembled greenhouse. Specifications Roll up motor: Power: 100 watt Travel Limit: 40 loops Voltage: DC 24v Speed: 2.8rpm Rated Current: 3.6A Torque: 100N.m Maximum roll bar length: 360ft (110m) Size:24*11*12cm/9.44*4.33*4.72inch Weight:3.8kg.