Q1: What is the Warranty for LED bulb lamp?A1: For LED bulb lamp ,we have 3 years warranty.If any quality problems on our side occured in this period ,we will take on the shipping cost and replacement.
Q2: What is colour temperature?
A2: Royalslite's LED Lighting offer lamps in warm, natural,pure and cool white with colour temperatures measured in Kelvin (K).The lower the colour temperature is, the warmer the light given by the LED: Warm white = 2700K-3200K Natural white = 4000K-4500K.Pure white = 5000K-5500K Cool white = 6000K-6500K
Q3:: What is CRI?
A3: CRI is a figure which feedback the real objects colors.Higher CRI with higher cost.But there are some suppliers write a high data to attract clients,please note.
Q4:What is the AC Voltage tolerance for our LED bulbs?
A4: Their AC voltage tolerance is +/- 10%.
Q5:Is there cheap shipping cost to import to our country?
A5: 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.