Products you can control through Echo and Alexa-enabled Devices. Y The repairability index consists of a score out of ten intended to be displayed at the time of purchase to inform consumers of the categories of electrical and electronic products. This score is obtained by dividing an overall score of one hundred points by ten according to five criteria, each scored out of twenty and of equal weight, making it possible to assess the repairability of the products concerned. 6 F means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Regulation 2017/1369/EU. F Hisense 40A4K, 40", 1920 x 1080 pixels, LED, Smart TV, Wi-Fi, Black Hisense 40A4K. Display diagonal: 40", Display resolution: 1920 x 1080 pixels, HD type: Full HD, Display technology: LED, Screen shape: Flat, LED backlighting type: Direct-LED. Smart TV. Display brightness: 200 cd/m², Response time: 9.5 ms, Contrast ratio (typical): 5000:1, Native aspect ratio: 16:9. Digital signal format system: DVB-C, DVB-S2, DVB-T2. Wi-Fi, Ethernet LAN. Product color: Black