Features: brand new and high quality Applicative Motor: AC220V 500W or less 3 lines forward reverse motor. Encoding Type: Learning Code (Learning Button to add Transmitter). Input AC220V for the receiver, press the receiver setting button, the LED indicator flash, then press the transmitter button, the LED indicator OFF, it means the learning is successfully. When you press the Up Stop Down Button, you will hear the sound of the relay. This Controller Perfectly suitable for Tubular Motor, the controller Terminal for Tubular Motor 4 pcs Lines,( tubular motor yellow green wire connect to GND).This controller with no limited switch Terminal, Tubular Motor itself with Limited Switch. The receiving module provides high signal sensitivity at lower cost and resist interference for excellent stability. Specifications: Material:ABS Size:Approx.8.4x5.2cm/3.31x2.05in Net Weight:116g Package Includes: 1 x Receiver 1 x Transmitter note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.