The Astro 50SLMAX sunlight 500 lumen rechargeable handheld dual temperature Color match light is rated 96 CRI allowing the user to use the dual color temperatures to quickly switch from warm to cool ultra-high quality color to spot Color difference and paint imperfections. The warm-white 4500K is used for lighter color paints, and the darker paint uses the cool-white 6000K which provides cooler light without being blue. This light includes an easily removable and cleaning lens, collapsible 360 degree rotating hook and a 180 degree Folding magnetic base. This light is impact resistant for long lasting durability. Specifications: Color temperature: 4500K/6000K (hold power button to switch), water proof: IP65, light output: 250/500 lumens (low/ high), battery life: 2~4 Hrs., charge time (charging base): 4 Hrs., li-ion rechargeable: 3.7V/2600 mAh.