Daisy chain up to 8 of these Makita Work Lights together to illuminate large, low lit workspaces The Makita DML810 18V Upright L.E.D. Site Light is a self-balancing design that keeps the light in an upright position even when knocked over. It can run on mains power or 18 Volt, with internal space for 2 batteries. It operates using one battery at a time to double the runtime. The light delivers 5,500 Lumens/ 3,000 Lumens/ 1,500 Lumens on High / Medium / Low. The Makita DML810 illuminates the work area without the heat of halogens. This light illuminates 360° for full illumination of workspace or 180° to the left or right. With a maximum runtime of 18 hours on low setting and 4 hours on high, with 2 x 18V BL1860 batteries. Other features include a dust and water-resistant construction (IP54-rated when using battery), for improved operation in harsh job site conditions. Also power inlet and outlet for daisy-chaining up to 8 x DML810s together (when using mains power). This allows for illumination throughout the job site. Convenient side positioned carry handles to allow for easy transportation. If AC power is lost, back-up power is provided if a charged battery is installed. Includes mains adapter but sold as a body only unit without battery or charger. Features: Self-righting design won\'t fall over even when knocked or bumped Remembers the light setting the last time you powered off Remembers the brightness setting the last time you powered off Up to 8 units can be daisy-chained together when using mains power With 2 x 18V batteries you can double the runtime Padlock bracket to secure battery compartment Comes With: Mains lead 240V Instruction manual Specification: Size: 787mm x 420mm Illuminance (lx) on High, Medium, Low: 550, 300, 150 Luminous flux (lm) on High, Medium, Low: 5500. 3000, 1500 Continuous run time on High, Medium, Low: 4h, 8.5h, 18 hours Weight: 13.8kg