$407.99 – UNI-T UT219PV Digital Clamp Meter 2500V DC 1500V AC 1000A Bluetooth Communication CAT III 1500V IP65 Ampere Meter for Photovoltaic Applications – Red.
I have checked all old coupons and price is $407.99 for UNI-T UT219PV Digital Clamp Meter 2500V DC 1500V AC 1000A (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Best price?
Latest coupon code price check (UTC time):
Banggood ($407.99)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Price? From what I can see this price is higher than average price ($243.49).
Link: Banggood product page
Price: $407.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG60aa40
(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
Price history (for all/most countries) for UNI-T UT219PV Digital Clamp Meter 2500V DC 1500V AC 1000A is here. The lowest price was: $239.99.
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)).