$6.39 – 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.
$6.39 – that is current price with coupon for 0-200Psi Digital LCD Tire Air Pressure Gauge (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Latest price update (UTC time):
Banggood ($6.39)
Banggood warehouse is located in China. Is it expensive? Pretty sweet, this is the lowest price I have ever noted for this product! Only one coupon available!
Link: Banggood product page
Price without coupon: $7.99
1. ($6.39): BGb1acd8
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGSCM11, BGe8a594, BGc1ab77, BG599541, BG6bd1b4, BG16217e, BGeb34c8, BGCAR639, BGAMMT03, BGad2fc9, BGe5d8db, BGea768f, BG5c10a8, BG56a872
(I don’t think these’re gonna work, but you can try ’em out anyway)
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
Price history (for all/most countries) for 0-200Psi Digital LCD Tire Air Pressure Gauge is here. 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)).