The RPS Studio SR-300D AC/DC 600 W/S Portable Monolite Kit is useful battery for moonlight that can be charged either with the main AC power or by the 12 volt DC power for extended outdoor shooting when there is no power. The battery pack contains two 300 watt-second digital monolights featured with LED readouts, rubberized prolate spheroid shaped housing. The light has adjustment increments of 1/32 power with digitally accurate 0.1 f-stops. The moonlight pack has also a built-in photocell and a user replaceable flash tube. The commonly available Bowen’s style light modifiers could easily be fitted with the moonlight and it has a removable 7 inch reflector for umbrella fitting. The kit also includes a Series II wireless RF remote trigger and receiver, one 20x28 inch softbox with mounting ring, one 36 inch white umbrella, two 6-1/2 foot light stands, and a nylon carry/storage bag. The useful light pack can provide you the best shooting experience with the complete accessories require.