Projection Technology DLP, Ansi Lumens 1300 ANSI Lumens, Focus Auto Focus, Type 3D, Speaker 5W*2, Screen Scale 16: 9, Throw Ratio 1.1: 1, Display Technology 0.47DMD, Projection Distance 1M-7.5M, Model Number N7, Keystone Correction Auto Correction, Keystone Correction Vertical ±45°, Electric Focus, Projected Dimension 40-300 inches, Light Source LED, Optical Resolution 1920x1080dpi, Brightness 5000 Lumens, Keystone Correction Manual Correction, Contrast Ratio 8000: 1-9000: 1, Supportable Aspect Ratio 16: 9/4: 3, Brand Name JmGo, Power 135W, Horizontal ±45°.
Price history, coupons and price alert are available on this page. You probably want to know what is the 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 coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($804.09): BGPROBuscape
2. ($851.39): BGAProjector
coupon code has to be applied in shop’s 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): 7bcdf9, BGJGN7, BGAFF7OFF, BGProjectors
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Check out price history chart (for all/most countries) for JMGO N7 1080P DLP Projector. The lowest price was: $708.99.
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)).