PREMIUM QUALITY -- The emergency exit signs made of Injection-molded thermoplastic housing, UL-94V-0 flame rating, the thickness has good fire resistance, corrosion resistance and durability, not easy to damage and suitable for 0 -40 (32 F-104 F) indoor damp location. 6 LEDS HIGHLY VISIBILITY -- The upgraded led exit sign has two super bright adjustable 6 leds floodlights on each side of the sign for maximum visibility and allow the led exit lights to be pointed in any direction you want. DURABLE BACKUP BATTERY -- The exit sign light combo built-in 3.6V 1000mAh Nickel cadmium backup battery provides 90 minutes of emergency operation during a power outage, maximum 24 hours for full recharge time. The replaceable battery used in Emergency Exit Lights can be recharged AC 120/277V more than 600 times. FLEXIBLE MOUNTING -- The hardwired exit sign can easily be mounted with its universal mounting, it could be ceiling mount and side mount. All the mounting hardware and accessories included in package.