Product Description Lamp power: MH600W Input Power of ballast: 635W Input Voltage ballast: 230v Current: 2.76A Power Factor: >0.99 Input Voltage Range: 170~265V Current Crest Factor: <1.7 Total harmonic distortion: <10% Output Frequency: ≥70kHz Ambient temperature range: (-25~50)?C Enclosure temperature rise: <28?C Environment. IP requirement: IP23 Dimensions: 290x107x80mm (11.4X4.21X3.15" ) Weight: 3.7kgs (8.16lbs) Features: -Soft-Start -Soft-Switching PWM -Built-In Diagnostics -Over-Current Protection -Short-Circuit Protection -No-Load Protection -Last-Phase Turn-Off Protection. -Overhead and Surface Mountable.