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Q2: What is color temperature?
A2: Lamps in warm, natural, pure and cool white with color temperatures measured in Kelvin (K). The lower the color temperature is, the warmer the light given by the LED: Warm white = 2800K-3200K, Natural white = 4000K-4500K, Cool white = 6000K-7000K.
Q3: What is CRI?
A3: CRI is a figure which feedback the real objects colors. Higher CRI with higher cost. For LED tubes, the CRI is mostly 70-75Ra, and 80Ra with higher cost. But there are some suppliers write a high data to attract clients, please note.
Q4: Is there cheap shipping cost to import to our country?
A4: For small order, express will be best. And for bulk order, sea ship way is best but take much time. For urgent orders, we suggest via air to airport plus our ship partner send to your door.