Kaiser KR 90 LED Ring Light 

Professional ring light with 30 three-chip high performance LEDs (CRI=94). Illuminance at 30 cm (11.8 in.) approx 2100 lux.
Extremely wide angle of radiation of 110° (half-value angle). A rechargeable lithiumion battery and the complete circuitry are integrated in the main body made of highly durable duralumin. Light can be dimmed down. The basic connection thread is 77 mm,
several adapter rings from 52 to 72 mm are included. Light can also be mounted on a tripod. No illuminance drop-off due to battery consumption. Automatic shutdown when batteries are exhausted to prevent deep discharge and battery defects. Supply includes quick charger and car charger cable.
Min. working distance: 3 cm (1.2 in.)
Operating time with fully charged battery and at full illumination: approx. 3 hours (extendable by dimming down the light)
Colour temperature: approx. 5500 K
Colour rendering index: CRI=94
Battery capacity: 260 mAh
Tripod thread: 1/4“
Dimensions: ø 142 x 34 mm (ø 5.6 x 1.3 in.)
Weight: 300 g (10.6 oz.)

Scope of supply: Ring light, protective bag, adapter rings with 72, 67, 62, 58, 55 and 52 mm connection threads, 12 volt car charger cable, quick charger.