Electronic Emergency Ballast with Backup Battery and Charger, 120/277V, 90 Minute Illumination Time, 72 Hour Recharge, For Use With: 350-500 Lumen Compact & Linear Fluorescent Lamp Types, Operates One 2'- 4' or U-shaped Fluorescent Lamp For 90 Minutes (Compatible With Most Electronic T8 & Magnetic T12, Instant Start, Rapid Start & Slimline Ballasts) 17-40W, (1) 4 ft T8, T12 or 4-Pin Long Compact
- Light Technology: Fluorescent
- Wattage: Selectable
- Volts AC Range: 120 - 277