The HATTERAS EXIT is supplied with one DC lamp only. This lamp will be illuminated only on DC power. The HATTERAS 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 HATTERAS EXIT housings are constructed from corrosion resistant, heavy-duty cast aluminum. Fixture mounting must be 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. The HATTERAS EXIT housing are constructed from corrosion resistant, heavy-duty cast aluminum. Exit sign faceplates and frame are constructed from durable 20 gauge steel, standard with a white baked powder coat finish. Fixture mounting can bespecified as either ceiling mount, wall mount or pendant mount. Exact dimensions and will vary depending on the mounting configuration