$26.59 – Power supply: 3.7V *1 rechargeable battery (built-in), Capacitance: 1nF-1.00mF±(3.5%+8) / 1mf-60.00mf±(4.5%+10); resolution: 0.001nF, Screen: 3.2 inches, Resistance: 0.1Ω-10MΩ±(1.2%+3) / 10MΩ-60MΩ±(2.0%+10); resolution: 0.1Ω., On-site inspection: alarm signal sound / striped liquid crystal display guide, AC voltage: 0V-600V±(1.2%+5); resolution: 0.001V, Frequency: 10Hz-10MHz ± (2.0% + 10) (ACV: 3V-600V); Resolution: 0.1Hz Duty Cycle: 0.1% -99.9% ± (1.5% + 5); Resolution: 0.1%, Diode: automatically recognize the diode when it is lower than 3.0V, V-alert (non-contact voltage detection): alarm signal sound / striped liquid crystal display, Weight: 102g, DC voltage: 0V-600V±(0.8%+3); resolution: 0.001V, Screen type: color screen, Continuity: 50Ω is less than the resistance / the buzzer sounds., Maximum display: 9999 count, Size: 113.3×54.2x22mm.
When I was updating this page the price was $26.59 for MUSTOOL MT13 Mini Multimeter (in Banggood). You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Latest price update (UTC time):
Banggood ($26.59)
Banggood warehouse is located in China. Is it expensive? Hmmm, price is higher than average (which is $19.82 right now), so better set price alert down below… I am tired of searching coupons, but I found one for you…
Link: Banggood product page
Price without coupon: $27.99
1. ($26.59): BGMAI666
put item in your cart and apply coupon code there 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): BGb1bdeb, BGherra, BG32978e, BG222d40, BGd55053, BGf42642, BG89d0c3, BGMUSTOOL05, BGMUSTOOL18, BGGines, BG6d1ee6
(probably won’t work, but you can try them out)
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 MUSTOOL MT13 Mini Multimeter. The lowest price was: $18.99.
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)).