$34.19 – Material ABS, Fits For LAOTIE/BOYUEDA/LANGFEITE/X-tron/ kugookirin/NANROBOT/YUME/JOYOR Electric Scooter, Display Speed / time / battery, Color Black.
I have just checked coupons. The lowest price I could get is $34.19 for Universal Electric Scooter Meter (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Latest price update (UTC time):
Banggood ($34.19)
Banggood warehouse is located in China. Is it expensive? From what I can see this price is higher than average price ($25.06). Well, there is one coupon available right now.
Link: Banggood product page
Price without coupon: $35.99
1. ($34.19): BGCYCLE5
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): Cuponation9, BGb24021, BGGutscheine, BG00c906, BG8OFFCOUPON, TTBLACK5, BG589b2e, BGc8e14f, BG53ded1, BGe27777, BGSORIDING, BGdddc3d, BG04ba4d
(I don’t think these’re gonna work, but you can try ’em out anyway)
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 Universal Electric Scooter Meter is here. The lowest price was: $12.49.
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)).