[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