Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Link to phone App: YES, Dimensions: 225*97*40mm, Relative Value: YES, Diode Test: YES, DIY Supplies: Electrical, Dual Display: YES, Continuity Buzzer: YES, Weight: 450g, Auto Power Off: YES, Measuring Frequnency Range: 5.12Hz/51.2Hz/512Hz/5.12kHz/512kHz/5.12MHz, Display: 4000, Measuring Voltage Range: 400mV/4V/40V/400V/750V/1000V, Operating Temperature: -20~1000’C, Battery Type: 9V(6F220)*1(Not Included), Date Hold/Back Light: YES, Model Number: HP-570C-APP
Banggood
Banggood warehouse is located in China. There is one coupon right now! Check this out.
Link: Banggood product page
1. ($57.91): BGherra
put item in your cart and apply coupon code there 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): BG9878, BGDANIU
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for HoldPeak Digital Clamp Multimeter HP-570C-APP.
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)).