Go down and check coupons out. Remember to check price history if it is available. What is the best price?
Color rendering index: greater than 80, Working voltage: AC220V-240V 50/60Hz, Rated power: 5W 7W 9W, Product material: PC + aluminum, GB/T17743, Lamp interface: E27, Color temperature: 6500K cool white light, Executive standard: GB24906, GB30255
Aliexpress
There’re some similar (or not) items on Aliexpress
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Latest coupon and price update (UTC):
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: $32.93.
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).