Model C30Bi Lithium Battery DC7.2V,3400mAh,24.48Wh USB-C Port Input 5V⎓3A, 9V⎓3A, 12V⎓3A Brightness Range 0%-100% CCT Range 2800K-6500K Charging Time ≈ 2h Working Time ≈ 45min (100% brightness output) ≈ 276min (50% brightness output) CRI Average≥ 94 TLCI Average ≥ 96 Working Environment Temperature -10°C~ 40°C Bare Light Dimension ≈ 5.24" *3.07" *1.02" Bare Light Net Weight 248g