2.1 to 17 kW. CSA Listed to UL924, UL924A, & UL1778. Incandescent, Fluorescent, HID, HPS, LED. Power Factor and Energy Efficient Ballast. Efficiency: 94% online . 98% standby. Sinusoidal Waveform. Pulse Width Modulated (PWM). Generator Compatible. Multiple Otuput Voltages. LCD Panel for Monitoring. Modular Assy for Ease of Installation. Transformerless Technology. Battery exerciser. Continuous Self-Diagnostics .