... ) ≤75 Luminance of white balance (CD/ m2) ≥1500 Driving mode 1/16 Scan Constant current Working voltage AC 220V/50HZ Working ... ,000 hours Life-span: 100,000 hours Instruction and Function: 1. Multi language: English/Spanish/Russia/Inter.char.set… ..2. Display ... , Auto center.8. Fonts in Block(scans serif),decorative(serif),upper/lower, slim/wide, double. 9. Build in Clock, Temperature, Brightness sensor ...