700W high power, Voltage (V): 220V, Adjustable Temperature Range: 100 – 450 Degree Centigrade.
Go down and check coupons out. Remember to check price history if it is available. 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 price update (UTC time):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
1. ($70.35): BG00c906
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): 577e05, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BG858DCZ, BgoFErTaSchInA10, BG858D2, BGELIG0920, BGHALLOWEEN, BgcLuBofErtA10, BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110, BGCNJP71, BG3b06a1, 6GSGIT, BG8a7644, BGWELDTOOL
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – 858D+ 220V Hot Air [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for 858D Soldering Rework Station is here. The lowest price was: $63.61.
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)).