You need to pay attention to the following matters when purchasing led floodlight, the following lists the attention points of led lights, please refer to:
1. Brightness: The brightness of the LED is different and the price is different.
2. Wavelength: LEDs with the same wavelength and the same color are more expensive. It is difficult for manufacturers without LED spectrophotometers to produce products with pure color.
3. Lighting angle: LEDs with different uses have different lighting angles. Special lighting angle, higher price. Such as the full diffusion angle, the price is higher.
4. LED chip: The luminous body of LED is a chip, and the price of different chips is very different. The imported chips are more expensive.
5. Leakage current: LED is a one-way conductive luminous body. If there is a reverse current, it is called leakage current. LEDs with large leakage current have short life and low price.
6. Chip size: The size of the chip is represented by the side length, and the quality of the large chip LED is better than that of the small chip. The price is proportional to the chip size.
7. Radiator: The radiator can look at the appearance of the lamp. If the external or built-in lamp is made of aluminum, it may solve the thermal effect of the lamp to better extend the life of the LED floodlight, and the temperature affects the LED lamp bead. Service life plays a critical role.
8. Power supply: According to the design requirements of different manufacturers, it can be divided into two types: constant current power supply and constant voltage power supply. No matter which one is, the power supply plays a central role in the service life of the entire lamp. If the lamp will be broken, usually the power supply is burned out.
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