how about seiki?? Seiki Digital SE39UY04 39-Inch 4K Ultra HD 120Hz LED TV only $499.99 at amazon
http://www.amazon.com/Seiki-Digital-SE39UY04-39-Inch-Ultra/dp/B00DOPGO2G/
next month I plan to buy camera for my sister's birthday, what is the appropriate camera for her as a beginner, whether DSLR or mirrorles, my budget maximum of $ 600 US, please help recommendation type camera, thanks for your advise
you can http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=Surveillance+Camera&rh=i%3Aaps%2Ck%3ASurveillance+Camera, i suggest D-Link DCS-930L mydlink-Enabled Wireless-N Network Camera this camera wide angle lens, has audio, quality image not bad, work great on android...