JW Speaker: 770F-12/48V XD Worklamp - Flood Beam Universal They are NOT cross-compatible

They are NOT cross-compatible

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JW Speaker: 770F-12/48V XD Worklamp - Flood Beam Universal They are NOT cross-compatibleThe 770 XD improves on the high quality electronics and engineered optics of the Model 700, and puts them into a much slimmer package. As with the rest of the XD Series, it features a polycarbonate housing and lens for maximum protection. Features: A variety of beam patterns available, UV resistant polycarbonate lens, Universal mount, Vertical oval version available (Model 771 XD).