Soldering iron temperature range: 200~480℃, Voltage & Plug: AC 200V 50Hz, Digital temperature control: Yes, Model: TS-CD4, Air volume: 120 L/min(max), Brand: Topshak, Soldering station power: 75W, Resistance to ground: ≤0.4Ω, Hot air gun power: 680W, Hot air gun temperature range: 100~480℃.
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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. There is one coupon right now! Check this out.
Link: Banggood product page
1. ($36.22): BGa58ad7
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): BG3fe3ea, BG4ee6ef, BGe636ac, BG8b81f5, BG79ae1c, BGY68796, BGcdc549, BG00c906, CityadsTool, BGGines, BG52cd3e, BGPTL088, BGd20877, BGTOPSHAK3
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Do you need price history chart (for all/most countries) for Topshak TS-CD4 680W Rework Hot Air? There we go. The lowest price was: $36.22.
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)).