LED daylight lighting unit with two light banks for even and soft illumination. Emitted light has absolutely no IR and UV content. Constant current driver for flicker-free operation. Each light equipped with 192 selected white SMD LEDs 5600 Kelvin, CRI: 96 with passive cooling via LED board and light metal housing. Lights can be dimmed separately. Lamp housings made of sturdy anodized aluminum section, can be swiveled, shifted and adjusted in height. Detachable soft screens. Vertical arms with height markings, tiltable with detents. Mounted with strong cast aluminum clamp bases, clamp width up to 48 mm (1.9 in.). Specifications: LED arrays: 2 x 192 SMD LEDs Color temperature: 5600 K Color rendition index: CRI: 96 LED angle of radiation: 100° Max. illumination with soft screen: 4600 lux, w/o soft screen: 5200 lux (based on uniform illumination of a 16.5 x 11.5 in. flat subject) Power consumption: 2 x 24 W Operating voltage: 220-240 V, 50/60 Hz or 120 V, 60 Hz Light emitting area of one light: 39 x 16.5 cm (15.4 x 6.5 in.) Vertical arms: 76 cm (29.9 in.), 20 x 20 mm (0.8 x 0.8 in.) edge dimension Mains leads: approx. 2.40 m (7.9 ft.) each The RB 551 AB lighting unit is suitable for copy stands of the R1 System and the RSD (205602) and RSDmot (205603) copy stands.