Basically copy coupon, view price history or create e-mail price alert. What is the best price?
, Merturing voltage range: 3.8-24V, Sreen color: Full-color ultra-wide viewing angle TFT-LCD, Resolution: 160*128, Transmission rate: USB3.1 Gen2, Model: FNB48, Online inferface: Micro-USB, Output port: A-Female USB、C-Female USB, Screen Size: 1.77 inch, Online method: USB-HID free drive, Module Size: 61*38*14mm, Input port: A-male USB、C-Female USB、M-Female USB, Merturing current range: 0-6.5A
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($32.42): BG589b2e
paste coupon code in your cart and click Apply 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): BGdf56b6, BGe2ab14, BGd0b05d, BG2589f4, 00c906, BG00c906, ADMITAD2212, 2022ACTIESNL, Terence, Tabby20, Cuponation9, BG8ReviTrage, BG8OFFCOUPON, TTBLACK5
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for FNB48 Pd Trigger Voltmeter Amperemeter? There we go.
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)).