Our 125W to 250W emergency lighting inverter is packed with cutting edge features that include three distinct output types, UL 924 approved Self-Testing and Self-Diagnostics, battery low level indication, power-up diagnostics to check for common wiring errors and 16 distinct major and minor alarms to name a few. Coupled with options like Infrared received for remote testing, time delay for HID applications and a sonic alarm, our unit is unlike any inverter in its class.