Product description :

• Safety first : the battery powered exit signs have bright adjustable (360 degrees) floodlights on each side of the sign for maximum visibility. In case of a power outage, the backup battery automatically illuminates (90 minutes) the fixture and light the way to safety.
• Dual mounting : LED emergency exit sign includes an extra face plate to convert the fixture from single-sided to double-sided. For single-sided install, mount on the back or top of the fixture. For double-sided install, mount to the ceiling on the top of the fixture. Mounting equipment is included inside of the fixture.
• Commercial grade : our emergency exit sign is built to fit your safety needs from offices, schools, retail spaces and everything in between. The illuminated exit signs specifications: AC85-265V , Test Switch, Backup Battery, ABS Fire Resistant Plastic, Double Sided, Dual Mounting. 
• Benefits : 2-Year Warranty for emergency exit lights led! We uphold the highest standards for all our products by testing each product for optimal performance and safety.

FAT-SYJ-017 LED emergency combo fire exit light specification :