Connectors USB, Bulb Type LED, Aspect Ratio 16: 9, Product Detail, Native Resolution 1080P (1920×1080), Sub Categories Home Theater Projector, Languages Chinese, Throw Ratio Range 0.17, Brightness Range 4000 Lumens & Above, Digital Keystone Correction ±40°, ROM 16GB, Pre/On Sale On Sale, Use set top box can play the local language video, Projection Technology DLP, Speakers Included Yes, Projection Distance (m) 0.5-5, Video Format Resolution 4K, Contrast Ratio 10000: 1, Brightness (lm) 4200, Wireless same screen, Features Android system, CPU Cores Quad Core, Input Voltage (V) 100-240, System Configuration, Projection Screen Size (inch) 40-300, RAM 2GB, built-in, Model S21, Power (W) 380-460.
Go down and check coupons out. Remember to check price history if it is available. What is 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 code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($2735.22): BGAFF7OFF
2. ($2932.10): 7bcdf9
3. ($2934.10): Email5
4. ($2934.10): bGhOnEy10
just apply this code 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): BGJmGOS21, bgssaff9, aff7off, BGaDmITAd, bgchinafest, BGBFAFF2019, BGCITYADS2019, bGpAnDacHeCk, BGMPB2020, BGdragonBoat, bgshOOp10, BgoFErTaSchInA10
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for JmGO S21 DLP 2/8GB Projector? There we go. The lowest price was: $2519.99.
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)).