Input Voltage: 120/277V 60Hz
Number of face : Single or Double
Letter of color: Red
Emergency Duration: 90 min
Power:4W
Test facility: Manual test
Battery: Ni‐cad 3.6V600mA *2pcs
Recharge time: 24h
Lamp Head:1W*2pcs
Luminous Flux:200lm
UL Listed
NYC Approved