The Most Versatile Exit Sign Adjustable LED Edge Lit Exit Sign The ultimate exit sign in design and versatility. This Red/Green LED Edge Lit Exit Sign will solve almost any mounting configuration problem. The ELRT style allows for surface, side, and wall mount installation. The edge lit panel is constructed of high grade acrylic with customizable directional arrows to point towards exit direction. The removable front cover makes installation and maintenance headache-free! Emergency Operation Upon failure of the normal utility power, our ELRT model has an internal solid-state transfer switch that automatically provides uninterrupted emergency operation for at least 90 minutes. The fully automatic solid-state, two-rate charger initiates battery charging to recharge a discharged battery in 24 hours. Illumination The ELRT Exit Sign series provides a long life LED illumination. The unit is constructed with a red or green high output LED board. Energy consumption is rated at less than 5 watts. FEATURES UL 924, NEC, OSHA, NFPA 101 Life SafetyCode and Listed for Damp Locations SINGLE sided only (See Through) Field Installable Arrows for Left, Right or Both directions. Dual 120/277 volt operation Test switch and charge rate indicator Rotational EXIT panel for easy adjustments Universal Mounting Plate Included is a universal mounting plate that allows the following mounting configurations. Ceiling Mount Ceiling mount - also known as surface mount - is very commonly used for above door or hallway installations. Side Mount Side mount installation is great for hallways and corridors. Wall Mount Wall mount installation is excellent for above door or hallway installation where space is limited.