commercial Emergency Light Exit Sign, 2-Pack, Exit Combo With Battery Backup, 2 Led Adjustable Heads

2-pack of LED emergency exit signs with 2 adjustable heads in fire retardant, injection-molded, thermoplastic ABS housing Wall, ceiling, and end mountable Input Voltage: 120277V Power consumption: 3.5W max Output: 4W max Long-lasting Epstar SMD LED light charging time 24 hours, discharge time 90 minutes Nickel cadmium battery provides 90 minute backup power in the event of a power outage 1.2V 1000mAh UL-certified with a UL-94-5VA flame rating plus overcharge and over-discharge protection Operates in damp, but not wet, and dry conditions operating temperature 0-40 degrees celsius