Provides constant power output to the load during emergency mode operation; Can be operated as NORMALLY-ON, NORMALLY-OFF or SWITCHED LOAD; Universal 120-277VAC, 50/60Hz input; Charge/power "ON" LED indicator light and push-to-test switch for mandated code compliance testing; Long-life, maintenance-free, rechargeable NiCad battery; Output short/overcurrent protection: electronic limiting, with normal operation resuming upon removal of fault; Output classification: Class 2 Compliant; Surge protection: Per C62.41 (TVS); Input overcurrent protection: fusible link; From 800 to 2400 lumen output; Output Voltage 20-50VDC, 50-110VDC, and 100-220VDC (2.0A maximum, 50-110VDC and 100-220VDC only available in 17W); 24 Hour maximum battery recharge time; LED illuminated and remote mounted test switch; Injection-molded, engineering grade, 5VA flame-retardant, high-impact resistant thermoplastic in a black finish; Suitable for installation on top of a fixture; Can be remote mounted (up to 50'); Suitable for Field Installation; Suitable for Damp Locations 0C - 50C (32F to 122F); UL Listed; 5 Year warranty (Terms and Conditions apply)