$13.99 – Diamter: 58mm/2.28in, Material: metal, Display: digital, Four kind of unit: PSI KPa Bar Kg/cm2, Product name: LCD Tire Pressure Gauge, Interior Battery: 2xCR2032, Measure scope: 0-200PSI, Main color: black, Fitment: universal for most vehicle;such as car /truck /van /motorcycle etc., Working temperate: -20°C to 80°C.
ATM you can buy 0-200Psi Digital LCD Tire Air Pressure Gauge for $13.99 (in Banggood). Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Latest coupon and price update (UTC):
Banggood ($13.99)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Is it good price? This price is higher than average price ($7.77) for this item.
Link: Banggood product page
Price: $13.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGSCM11, BGe8a594, BGc1ab77, BG599541, BG6bd1b4, BG16217e, BGeb34c8, BGCAR639, BGAMMT03, BGad2fc9, BGe5d8db, BGea768f, BG5c10a8, BG56a872, BGb1acd8
(probably won’t work, but you can try them out)
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
Do you need price history chart (for all/most countries) for 0-200Psi Digital LCD Tire Air Pressure Gauge? There we go. The lowest price was: $6.39.
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)).