The HDZ EXIT is supplied with one DC lamp only. This lamp will be illuminated only on DC power. The HDZ EXIT is available with high output LED lamps. The operating temperature is from -22°F up to 104°F (-30°C up to 40°C). The HDZ EXIT housings are constructed from corrosion resistant, heavy-duty cast aluminum. Fixture mounting must be specified as either ceiling mount, wall mount or pendant mount. Exit sign faceplates and frame are constructed from durable 20 gauge steel, standard with a grey baked powder coat finish. Available in custom epoxy-based powder coat finishes (please specify). Single or double face versions must be specified. Exact dimensions will vary depending on the mounting configuration.