The CIATA Emergency LED Exit Sign is manufactured with injection molded, engineering-grade, 5-Volt Amp flame retardant, high impact resistant, thermoplastic material which endows high quality and standards. Constituting a 9.6-Volt, long life and maintenance-free Nickel Cadmium Battery with an internal solid-state transfer switch that automatically connects the battery to the LED board and lamp heads for 90-minutes of illumination. 2 rate charger initiates battery charging to recharge a discharged battery in 24-hours. EZ snap mounting canopy is included for top or end mount. Universal K/O pattern on the black plate is included for wall mount purposes. UL Listed certification, Safety rated for damp locations.