【Dual Polarized Light Source】The RELIFE RL-033E Pro features adjustable polarized light, effectively eliminating glare and restoring true-to-life colors for accurate microscopic observations. 【32 High-CRI LED Beads】Equipped with 32 professional-grade LED beads, this light source provides powerful and uniform illumination, covering a wider area with minimal shadows. 【Adjustable Brightness】Seamless stepless brightness control from 0-100% allows adaptation to various materials and environments, reducing eye strain during prolonged use. 【Compact Design】The slim light head maximizes workspace under the microscope, giving technicians more room to operate without obstruction. 【Efficient Cooling】Advanced heat dissipation structure ensures stable and long-lasting performance, maintaining consistent illumination quality over time. 【Easy Installation】Plug-and-play compatibility with most microscopes on the market for quick and hassle-free setup. Specifications: Model: RL-033E Pro Net Weight: ≈29g Produt size: 66*70*21 mm Number of lamp beads: 32 pieces Light color: White LEDs Input Voltage: USB DC5V Power: 3.5W Brightness adjustiment range: 0-100% smooth dimming control Working distance: 40-160mm Maxinum Iuminance: 37000LUX Color Temperature: 6500K-7500K