S2010P on-camera light, with professional optic technology design, features 4 LED lights can offer to the equivalent of 40W output at 5600k colour temperature. The quantity of light is controlled by a on-board dimmer. Compatible with Panasonic DV batteries only, LED lights have a longer life than that of customary bulbs. S2010p light, claimed to be environment-friendly, is priced at $419 at DVshop.