K&M 12285 light for stands, operate with batteries or rechargeable batteries (AA), designed for indoor and outdoor use, also can be used with an AC adapter, high-efficiency electronic lighting system, black, weight: 0,42kg, lamp shade length 240mm, clamping range: up to 20m, Operates with 3,6 or 9 batteries or rechargeable batteries (AA), 9 batteries provide up to 24 hours of light, Mains power with power unit possible, Batteries and power unit are sold separately