FT45E-W
Electronic Limit head + Build-In Receive + Resistance and Stop function
FT45ED-W
Electronic Obstacle Detection Radio + Electronic Limit + Built-in Wireless Receiver + The Third Limit + Jogging & Tilt Function + Obstacle Detection And Stop Function
FT45ES-W
Electronic Radio Electronic Limit
FT45EL-W
Low Noise Electronic Limit Motor+Build-In Receiver+The Third Limit+Jogging & Tilt Function+Resistance and Stop Function