Eyepiece Diameter: 19mm, Field of view: 130m/1000m, Prism System: Roof System, Amplification Factor: 8X, Exit pupil distance: 16.8mm, Features: Anti-fog, Body Coated with Rubber: Yes, Anti-slip, Exit pupil diameter: 4mm.
Check coupons or create price alert down below. Do you want to know what the best price is?
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 code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($85.70): bGhOnEy10
2. ($85.70): BGdragonBoat
3. ($85.70): BGAFF10OFF
4. ($85.70): BgcLuBofErtA10
apply it 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): BGOD1, 2019SPEDM, AFfbG10, BGcamp305, BG13thMI20, BGCAMP01, bgshOOp10, BgoFErTaSchInA10
(there’s a little possibility that old coupon will work)
Price history and price alert
Price history (for all/most countries) for Xiaomi Youpin BEEBEST 8X Binocular is here. The lowest price was: $65.8.
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)).