Basic Parameter Dimension:295mm x 295mm x 10mm LED type: 2835SMD Material: Aluminium + PMMA Input Voltage: 100-240VAC Output voltage: 28-36V~1.1A Working temperature:-10°C~40°C Installation method:Embedded/Hanging/Ceiling Surface Fixed IP rate:IP41 N.W.(±0.1Kg):2.3Kg Installation Method: 1. Pendant 2. Embedded 3. Ceiling surface fixed Technical Parameter LED Power:40 Watt Beam Way: Beam at two sides Photoelectricity Parameter CCT .: 3000K-6500K Flux.(±10%): 1100lm Input Power: 12W Light Efficiency(±10%): >90LM/Watt CRI: Ra>80 Lighting Angle: 150° PF: >0.9 Installation Method: 1. Pendant 2. Embedded 3. Ceiling surface fixed (need mounting bracket, not included, need purchase separately)