You can create price alert here, copy coupons and view price history. Do you want to know what the best price is?
Brand & Model UHAPPY U70, Keystone Correction ±15° vertiacl / manual keystone correction, Net Weight 1.15kg, Technoplogy Type TFT- Single LCD Panel + LED Technology, Gross Weight 1.5kg, Resolution Native: 1280*720 support 1920*1080p, Brightness 140 ANSI Lumens, Lamp LED lamp;50000 hours, OSD language English / French /Danish /Spanish /Croatian /German / Greek /Italian /Hungarian /Portuguese /Slovenian /Norwegian Nynorsk /Russian /Serbian /Finnish /Slovak /Swedish /Chinese /, Lens F=126mm(Manual focusing), Speaker 4Ω3W, Displayable colors 16.7K, Audio Formats MP3 / WMA / AAC, Projection Screen Size (inch) 43-200inchs, Multimedia Interface AVVGAUSBSDHDMI*2, Power Supply AC110V~ 240V 50Hz60Hz, Picture Formats JPEG / BMP / PNG, Contast ratio 3000: 01: 00, Plug EU/US Plug, Video Formats MPEG1、MPEG2、MPEG4、H264、RM、RMVB、MOV、MJPEG、VC1、DIVX、FLV, Image Zoom Elecronic horizontal and vertical flip; image zoom, Aspect Ratio 16: 9 Native / 4: 3 compatitable; switch freely, Projection Distance (m) 1.3 ~6 meter, Projection Method Front / Rear Celling Mount / Table top, Dimension 222mm*177mm*78mm
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. Only one coupon available!
Link: Banggood product page
1. ($95.03): BGProj
apply code in your basket (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): 13f142, BGProjectors, 7bcdf9, BGAProjector, BGPROBuscape, BGLaurent, Cityads2210, BGAlerabat1, Tabby20, BGprtecmundo, BGAudioVideo
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for Uhappy U70 720p Projector Basic.
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)).