$17.99 – External High-Precision Wireless Tire Pressure Detection System 433.92 MHz Hidden Tire Pressure Monitor Car Tire TPMS 360° Rotatable Display – Black.
I have just checked coupons. The lowest price I could get is $17.99 for External High-Precision Wireless Tire Pressure Detection System (in Banggood). You can create price alert here, copy coupons and view price history. Do you want to know what the best price is?
Latest price update (UTC time):
Banggood ($17.99)
Banggood warehouse is located in China. Is it good price? This price is higher than average price ($17.66) for this item. Only one coupon available!
Link: Banggood product page
Price without coupon: $20.99
1. ($17.99): BG8b55d6
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
1. (30.12.2024, $16.99): BGe60a56
Item: External High-Precision Wireless Tire Pressure Detection System
Countries: CzechRepublic, Greece, Hungary, Poland
Old coupons (from the oldest to the newest): BG77f3a0, BG6dcf0d, BGe10d3e, BG69e27a, BGc5fe97
(there’s a little possibility that old coupon will work)
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
Check out price history chart (for all/most countries) for External High-Precision Wireless Tire Pressure Detection System. The lowest price was: $16.24.
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)).