Power supply: 1x CR2020 button battery, Size: 28×18.5×0.5cm, Weight: About 180gX2, Input Pressure: 10~20 GInput Voltage: AC 36V, Frequency: 1Hz, Material: ABS+ Electronic Parts.
Check coupons or create price alert down below. What is the 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 price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I don’t want to misguide you about the price. I don’t know if it’s good, because I don’t have enough records in my database… There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($18.79): BG00c906
this code has to be applied in your 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): BG9c4da7, BGAR986, 13f142, BG4febd0, BANGGOODSD, 00c906, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Price history is not available for this item (not enough database records)! The lowest price was $15.69 though.
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)).