The Ulanzi LM-P40BI is a professional 40-watt bicolor video light designed for photography and video applications. This compact lighting solution offers an adjustable color temperature range from 2700K to 6500K, providing versatile lighting options for various shooting situations. The light features a high color rendering index (CRI) of 96+ and a Television Lighting Consistency Index (TLCI) of 97+, ensuring accurate color reproduction for photo and video work. The housing is made from durable aluminum alloy material. Its dimensions are approximately 145 mm in length, 95 mm in width, and 25 mm in thickness, with a weight of around 380 grams for easy portability. The integrated cooling system with quiet fan operation ensures optimal performance during extended use. Multiple power supply options include USB-C PD compatibility, NP-F series batteries, and DC input, offering flexibility for studio or outdoor shoots. The light also features built-in Bowens mount compatibility for attaching various light modifiers and accessories. With precise brightness control from 0% to 100% and a memory function for preferred settings, this video light supports consistent lighting setups. The LM-P40BI is suitable for portrait photography, product photography, interviews, and content creation, providing reliable performance with minimal heat generation and stable output.