The Dusk to Dawn LED generation 3 luminaire offers an economical solution with enhanced generation chip on board LED performance for general purpose area and security lighting. The luminaire can be direct mounted to vertical surfaces or mounted onto 1-1/2" O.D. arms. Arm is also available as an accessory ordered separately. A 120V NEMA twist lock photo cell is included as standard. This versatile luminaire easily retrofits onto existing arms and offers one of the most affordable and efficient energy saving solutions available.