Battery measuring range: 0-1999kWh±1%, Package weight: 130g/4.6ounce, Voltage measuring range: AC50-300V±1％, Package size: 93x 75x 60mm / 3.7x 3.0x 2.4in, Main material: PC, Current measuring range: 0-100A±1%, Item size: 78x 65x 37mm / 3.1x 2.6x 1.5in, Power measuring range: 0-30kW±1%, Main color: white.
Go down and check coupons out. Remember to check price history if it is available. You probably want to know 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 coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($16.55): BGGines
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGc115eb, BGTDL01, BGTools8
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Peacefair PZEM-008 AC50-300V/100A LCD Guide Rail Table Tester [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Peacefair PZEM-008 AC50-300V/100A LCD Guide Rail Table Tester. The lowest price was: $12.99.
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)).