Used in Roll Up Shutters and roll up shades with a manual over ride and remote control. This may not be a true color of your motor.
 
This motor is to be used for openings 8 feet wide by 8 feet high or smaller MAX. 

MANUAL OVERRIDE : you can crank with handle when power is out.
UNIVERSAL and CRANK HANDLE SOLD SEPARATELY

When the motor is 70 mm, diameter of tube = 2 3/4 inches to 3 inches.

When the motor is 90 mm, diameter of tube = 4 inches.

This motor comes with instructions.

REMEMBER to put the correct quantity on your cart.