WX8004 Waterproof Solar Automatic Watering Device [EU] (Banggood, Aliexpress: Working Water Pressure 0.5~8Bar, Weight 630g, Scope of use Balcony / Vegetable Garden / Small Flower Bed And Other Places With Water Source, Setting Model Manual Setting Automatic Operation, Flow 750L/h, Material Plastic, Brand KCASA, Model WX8004, Product Size 130x 70x 155mm/5.11x 2.75x 6.10”, Working Temperature 1-60 ℃, Battery Charge Cell Group 1. 2V 3 (the best price with coupon)).
Get coupons, create price alert or check price history out! Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I can’t tell you if this price is good – not enough records in my database, so I won’t judge.
Link: Banggood product page
1. ($45.99): BG8OFFCOUPON
2. ($46.99): BG00c906
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGGarden20, BG8ReviTrage, Cuponation9, BGcoupon8off, BGGutscheine
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: $42.49.
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)).