No deformation of high strength ABS plastic 4-inch dome shell, built-in color 1 / 3 "SONY 420 TVL high resolution color CCD A-level movement, Horizontal Roll 355กใ , so speed of up to 24 กใ / sec, 0.5 กใ up and down speed ~ 12 กใ / sec, track speeds of up to 15 กใ / sec, input voltage DC12V, built-in decoder.
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