Digital/Analog dual display, T-RMS, Fuse alarm, Capacitance measurement, Resistance measurement, Smart double core, Battery test, Horn test, Data retention, High speed measurement, Intelligent recognition, Lighting function, Voltage measurement, Ambient temperature, Variable frequency voltage, Anti-burn protection, EBTN LCD Screen, Detection voltage, AC frequency measurement, Current measurement, Fire line identification, Insert error alarm.
Price history, coupons and price alert are available on this page. What is 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 and price update (UTC):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
1. ($37.30): BGherra
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGBFAFF2019, BGCITYADS2019, AFfbG10, BGMESTEK, BGVDay10%off, BGMPB2020, BGAFF10OFF, FBCOUPON1, bGhOnEy10, BGDANIU
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – MESTEK DM100 Multimeter [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for MESTEK DM100 Multimeter is here. The lowest price was: $23.99.
Price records source(s): Gearbest, 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)).