KEYSTONE Electronic Emergency Ballast, up to 500 Lumens 90 minutes, 120V/277V, 1 Lamp, most (2' -4') T8, T10, T12 fluorescent + 13W-36W CFLs (4-pin), Test Switch and Indicator Light Included
Keystone SmartSafe LED Emergency Lighting Retrofit Kit, 120V to 277V, 500 or 1200 lumens, 5 or 12W power option, kit includes linear LED array module, emergency LED driver, LiFePO4 b
Keystone Constant Power LED Emergency Back-up (Driver + Battery Pack), 12W Max Power, 1200 Lumen, Output Current 200-600mA, Output Voltage 20-60Vdc, CEC T20 Compliant