$31.16 – Charging Type-C, Size 59x82mm, Maximum irradiation diameter 30m, Drop height 1m, Battery 26650 (5000mAh 3.6V 18Wh), full charge time is about 3 hours, Waterproof IPX4, Weight 170g, Material ABS plastic.
You can get NexTool 600lm Bedside Light for $31.16 using coupon code (in Banggood). You can create price alert here, copy coupons and view price history. Best price?
Latest coupon code price check (UTC time):
Banggood ($31.16)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Well, is it a good price anyway? Well, this price is higher than average price ($28.19)
Link: Banggood product page
Price: $31.16
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGNT600, BGLIGHTW, BGCAMP01, BGNEWSALE1, bGhOnEy10, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGZPBC15, BGTY704CP, BGCuponation10, BG10OFFAFF, BGwhielabel, BGcd3624, 13f142, BG10OFFAFF1, BG8FORMULAMX, BGTORCH10, BGCAMP5
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for NexTool 600lm Bedside Light. The lowest price was: $21.99.
Price records source(s): Banggood
Click on image to enlarge. 
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)).