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Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood.
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): bgsport, FinUNI-T, 502C6B, 15NATURE, 15ANENG, AFfbG10, BGNEMPRO, bGpAnDacHeCk, BGVDay10%off, BGAFF10OFF, bGhOnEy10, BGherra, 13f142, BG11SHOP, BGAR467850, BG11467850, BGGines, Tabby20, BGTools8
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for UNI-T UT383 Flashlight Lux Meter Illuminometer? There we go.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).