Product Description Lamp power: MH250W Ballast Input Power: 265W Ballast Input Voltage: 230v Current: 1.15A 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: 185x107x80mm (7.28X4.21X3.15" ) Weight: 2.0kgs (4.41lbs) 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