For wet and corrosive environments, offers the nx-607-led exit sign approved for wet location environments. A heavy-duty gasket-protected housing completely seals all electrical components and connections from corrosive atmospheres, non-hazardous dust, water spray, splash, and regular hose-downs. Ideal for industrial or any other applications subject to wet or cold weather. Body. 12-3/8`` width x 11-3/8`` height x 5-1/4`` depth . Combination high-impact plastic and steel constructionface. Single configuration only. 6`` high text with color diffusion. Knockout directional chevronsmounting. Wall, side or ceilingelectricalvoltage. Dual 120/277v inputpower consumption . 4.8 watts, normal operationlight source. Led light sourcesbattery. Replaceable ni-cad battery. 90 minute emergency operation. Internal solid state charging circuittesting. High-charge / ready operation indicator light. Waterproof rubber test buttonoperating temperature. 32-104 degrees fahrenheit (0-40 degrees celsius)life expectancy. Led and pc circuitry are rated for a minimum of 25 years with no change in illumination level. Ni-cad battery requires standard maintenance. Approvals. Ul 924 compliant . Etl listed. Nec . Nfpa . State & municipalaccessoriesneb-nicad - replacement batterynexs-p1 - plastic shieldnexs-m3 - metal shield