Model ZS2003, Rate Current 250mA (Brightest Mode), Weight 400g, Color White, Material Silicone, Battery Capacity 1500mAh, 0.92W Max (6*0.25W/LED Mode), Charging Time Less Than 4 Hours, Charging Input 5V/1A, Light Color Orange / Red, Power, Voltage 3.7V, Size 120x 120x 202mm, Battery Working Time 6-12 Hours.
Price history, coupons and price alert are available on this page. Best price?
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.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
1. ($28.34): 13f142
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): AFfbG10, BGZ18003, BGBFAFF2019, BGCITYADS2019, BGBFM18, 0e7f33, BGHOMEG12, FBCOUPON1, BGAFF10OFF, bGhOnEy10, BGHome15%, BGHOMEA15%, BGCuponation10
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for Qualitell ZS2003 USB Silicone LED Night Light? There we go. The lowest price was: $17.99.
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)).