Residential Electric Door and Gate Operators Commercial-Industrial Trolley type-ceilling, Wall Mounts, B1-Parting, Sliding Doors Electric Operators Waterproof Trolley Type-Ceillling and Jack-Shaft-Wall Mount Explosion-proof Trolley Type-Ceillling and Jack-Shaft-Wall Mount Sliding Gate Electric Operators Swing Gate Electric Operators Trafic control barriers To control of vehicular traffic in private and public parking areas. Rolling &Fire Doors Rolling Service Doors & Fire Doors. Jack Shaft - Wall Mount Accessories Different accessories for your needs Safety Devices Reverse Systems and Sensor Entry-Exit Devices Loop Detectors, Card Reader and more Operating Controls   Modifications   Special applications   Warning Lights 8" Diameter Dual traffic lights with red and green 8" diam. lenses and weatherproof housing for indoor or outdoor use. Ready for installation, including galvanized mounting brackets. Also available in red or green single lens. Standard Functions: Red light "ON" when door or gate in motion. Green light "ON" when door or gate fully open. No light when door or gate fully closed. Many other combinations are available (must specify). These warning lights can be used in conjunction with any of our electric door or gate operators (with the exception of Model ETHA) and all explosion proof models. Flashing signal can be incorporated, when specified, for added safety (see page 16 flicker). Part No. 50070 Red/Green lens assembly Part No. 50071 Single lens "Red" assembly Part No. 50072 Single lens "Green" assembly