Electronic Emergency Ballast with Backup Battery and Charger, Input Voltage: 120/277V, 90 Minute Illumination Time, 24 Hr Recharge. For use with the following 390-700 Lumen Linear Fluorescent Lamp Types: (1) 14-55W, 2-8 ft Standard or HO, T5 or T8 lamps.
- Volts AC: 120/277
- Light Technology: Fluorescent
- Wattage: Selectable