$29.99 – FNIRSI DMT-99 Multimeter (Banggood, Aliexpress: FNIRSI DMT-99 Digital Multimeter Intelligent Automatic Recognition Multiple Measurement Modes Recording Function Long-Lasting 1500mah Lithium Battery for Efficient Accurate Readings (the best price with coupon)).
I have checked all old coupons and price is $29.99 for FNIRSI DMT-99 Multimeter (in Banggood). Just check coupons out (with price alert and history). You probably want to know what is the best price?
Latest coupon and price update (UTC):
Banggood ($29.99)
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood. Well, is it a good price anyway? It looks like it’s a good price (lower than average ($30.88)).
Link: Banggood product page
Price: $29.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BGa68973, BGa836bd, BGc06e02, BGMAI666
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – FNIRSI DMT-99 Multimeter [EU] ($42.74)
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
Check out price history chart (for all/most countries) for FNIRSI DMT-99 Multimeter. The lowest price was: $25.99.
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)).