Laser output power: 5-5.5W, Engraving accuracy: 0.01mm, Wave Length: 445 ± 5nm, Laser power: 40W.
Basically copy coupon, view price history or create e-mail price alert. What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
ATOMSTACK F30 Air Assist Pump 30L/min Airflow Compatible with X7 S10 A10 PRO A5 M50 Cutting and Engraving Laser Machine | $134.06 | – |
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.
Link: Banggood product page
1. ($329.99): BG5ef190
2. ($408.59): Cuponation9
3. ($408.59): BgGoodie9
4. ($413.08): BG8ReviTrage
this code has to be applied 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): BG60bfe5, hoNEYbGdeAlS, BG3f2ef4, COUPONSDE1wk
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for ATOMSTACK A5 M50 Laser Engraving Cutting Machine is here. The lowest price was: $329.99.
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)).