Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
File format jpg / bmp / svg / G-code, Support System sindows XP / Win 7 / Win 8 / Win10 / Linux, Plug EU Plug, Engraving size 400mmx 300mm, Material Aluminum alloy + acrylic, Brand TOTEM, Support material wood / Plastic / Paper / Bamboo / Ox Horn / Leather / Sponge Paper / etc., Package weight 3.3000 kg, Package size (Lx Wx H) 53.00x 15.00x 13.50 cm / 20.87x 5.91x 5.31 inches, Product size (Lx Wx H) 48.00x 4.00x 18.00 cm / 18.9x 1.57x 7.09 inches, Laser Wavelength(nm) 445nm, Product weight 2.0000 kg, Color Black, Accuracy 0.01mm, Type Laser Engraving, Support software Benbox / GRBL, Laser Power 2.5W
Aliexpress
There’re some similar (or not) items on Aliexpress
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. Too bad there’s no coupon right now in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG7892dd, 7bcdf9, BANGGOODSD, BG1b9bd7, 6GSGIT, BGb70ebc, 00c906, BG00c906, ADMITAD2212, 2022ACTIESNL, Terence, Tabby20, 2203ActiesNL, 8Couponsde, MVC8SPRING, 8BGwbg2204, BG637ca5
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for TWO TREES TOTEM 10W DIY Laser Engraving Machine.
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)).