Get coupons, create price alert or check price history out! Best price?
Connections: HDMI, Image Aspect Ratio: 16: 09, Video Inputs: HDMI, 3D Capability: 2D Only, Audio Outputs: Speaker(s), Model: D4111C11, Image Brightness: 100 ANSI Lumens, Resolution: 1080p, Display Technology: DLP, MPN: D4111C11, Modified Item: No, Applicable Regions: MPEG-4, Features: Portable, Controller: Smartphone/Tablet Control App.
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.
Link: Banggood product page
1. ($240.86): BGAFF7OFF
2. ($249.99): 7bcdf9
3. ($251.99): Email5
4. ($251.99): bGhOnEy10
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 7131fa, PICODICOM, aff7off, BGNebula, bgssaff9, BGNE857, BGaDmITAd, bgchinafest, BGBFAFF2019, BGCITYADS2019, bGpAnDacHeCk, BGMPB2020, BGdragonBoat, bgshOOp10, BgoFErTaSchInA10
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Nebula Capsule Projector.
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)).