Liftmaster RGL24LY Red Green Traffic Light
Liftmaster Traffic Light For Barrier Arm Model RGL24LY
Dramatically reduces the chance of damage to your door and engine. The light will change from flashing Red to solid Green when the door reaches the full open position, indicating when it is clear to exit. AKA RDGRNTL
Traffic control light for use with TLS1CARD. Red and green LEDs provide highly visible and long-lasting light source. 24VAC/VDC operation.