The Bi luminaire series are luminaires specially designed for modern urban spaces. They are completely devoid of decor, their shape and design are subordinated to the main function - to illuminate the street space, and they cope with this task better than most foreign counterparts. More details: https://geopositive.ru/  B1 - lamp for general shadowless lighting. It directs the light stream downward, illuminating the pedestrian area. Light diffusion angle 140 ° Parameters: Voltage: 90-305 V, 50/60 Hz LEDs: Samsung ™ / Lumileds ™ Protection grade: IP67 Color temperature: 4000 / 5000K Diffusers: Polycarbonate opal Color rendering index CRI: 82 Ra Ripple factor: <2% Body material: steel 1 and 2 mm More details: https://geopositive.ru/bi-b1