The Bescor MPL-313X is an on camera light; it features four leaf barn doors, a 35 watt DC lamp, Diffusion and a 4-Pin XLR connection.
The SLM-5 is a high performance Starved Electrolyte (Lead Acid) battery. A convenient carry-strap is standard in addition to a sewn-in belt loop. The SLM-5 is designed for maximum strength and durability. Offers a standard female Cigarette Connector in addition to an XLR Barrel Connector for use with any four-pin XLR powered device.