1. Look at the material: Heat dissipation depends on the material, choose aerospace polymer materials, which have excellent heat dissipation performance, high temperature resistance and electric shock resistance, and are more portable. At present, the light efficiency utilization rate of high-power LEDs is limited, and most of the remaining energy is converted into heat energy. If the heat energy cannot be effectively discharged, it will directly affect the service life of the lamp, so heat dissipation is very important. Be sure to choose lamps with good heat dissipation when purchasing!

2. Look at the wattage: some manufacturers can't achieve this high of 100w, and may only look like 50w or 75w, commonly known as 0.5w and 0.75 watts. To test the power, just buy a multimeter and actually measure it. For the quality and size of the light source chip, in order to reduce costs and improve competitiveness, manufacturers use low-quality lamp beads with less than W. Under the flick of the seller, you can count that the number of integrated lamp beads is indeed enough. There are so many chips in it, but the size is very small and the brightness is very low. This is the phenomenon that people often say that there are two shortfalls, but some consumers may not be able to check it out without professional tools.

3. Look at the seal: if the waterproof is done well, it will not be easy to enter water if the seal is done well, that is to say, the waterproof performance is good, as long as the lamp housing is good, plus a good sealing strip, it must be above IP65. Floodlights are rain-proof and moisture-proof for outdoor use. If they are soaked in water for a long time, there are potential safety hazards. It is recommended to use professional lamps in the water, such as underwater lights, buried lights, etc., which are tightly packaged.

4. Look at the power supply: It may be disassembled to look at the power supply. In order to save costs, some manufacturers have not added a waterproof epoxy resin in the power supply, and the power supply is waterproof. The power supply is assembled from a lot of electronic parts. After assembly, it needs to be aged and tested before being assembled into a floodlight.

The life of the power supply directly affects the overall life of the lamp. Please consult the merchant about the various parameters of the drive, such as output voltage and current, working temperature, protection level and so on. The power supply of the floodlight is to be filled with glue and waterproof. I have even seen some manufacturers squeeze sand into the power supply to fool consumers. Take the 30W LED power supply, there are a few pieces, and there are dozens of pieces, there are actually many famous ones.

5. Look at the process: the quality of the entire lamp is related to the power supply, light source and sealing strip, the thickness of the cable, the use of thermal grease, and the level of workmanship (attentiveness, welding process) of the workers. Workers in small workshops do not wash their hands, let alone those Anti-static clothing.