1. 100% brand new.
<br />2. Learning and memory function.
<br />3. Remote control DC motro forward, reversal and Stop.
<br />4. 2 working mode(interlocking mode and self locking mode).
<br />Interlocking mode: point press the "UP" or "DOWN" button, the motor keep running, point press the stop button the motor stop.
<br />Self locking mode: press and hold the key, the motor start forwar or reversal rotate, when release the button it stop.
<br />5. Power supply: DC 12V/24V