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/  B4- Diffused luminaire for general lighting Shines only downward with a dispersion angle of 150 ° Vandal-resistant PET diffuser. Parameters: Voltage: 90-305 V, 50/60 Hz LEDs: Samsung ™ / Lumileds ™ Protection grade: IP65 Color temperature: 4000 / 5000K Diffusers: Darkoo ™ polycarbonate Color rendering index CRI: 82 Ra Ripple factor: <2% Case material: steel 3 and 2 mm More details: https://geopositive.ru/bi-b4