LED indoor light up and down dimming led indoor wall lights Product Description Packaging & Shipping Company Information FAQ Q1: What is the Warranty for the lamps? A1: For the lamps, 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: Newshine'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.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. How to contact us? Send your Inquiry Details in the below for sample, click "Send" now !