This White COB LED Ring features Color Rendering Index (Ra) of 98, ensuring vibrant and accurate color representation, and supports dimming for adjustable lighting. With lifespan of 50,000 hours and uniform light emission in a compact design, it is ideal for photography and fill light applications.
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The parameters of COB LED may vary depending on the manufacturer and specific model, but some common parameters are:
–Power consumption: COB LEDs typically have a certain level of power consumption, measured in watts (W). The power consumption of white COB LED will determine its brightness and efficiency.
–Luminous flux: It is a standard for measuring the total amount of visible light emitted by an LED, measured in lumens (lm).
–Color temperature: It refers to the color of light emitted by LED, measured in Kelvin (K). The color temperature range of COB LED ranges from warm white (2700K-3500K) to cool white (5000K-6500K), and even color changes.
–CRI (Color Rendering Index): It measures the degree to which LED lights render colors compared to natural light, with a measurement range of 0 to 100. A high CRI level means that the color will appear more natural and accurate.
–Forward voltage: It is the voltage required to turn on the LED, usually measured in volts (V).
–Perspective: It refers to the angle of light emitted from LED, usually measured in degrees. The range of viewing angles can range from narrow spotlights to wide floodlights.
–Working temperature: It refers to the temperature range within which LED can operate safely, usually measured in degrees Celsius (℃). The working temperature range of white COB LED is very wide, from -40 ℃ to 85 ℃, depending on the manufacturer and model.
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