Kingston Technology KSM32RD4 64MFR 64 GB 1 x 64 GB DDR4 3200 MHz ECC memory module Keyboard layout___QWERTZ Yellow Ergonomic design Yes Backlight Yellow Ergonomic design Yes Backlight No Surface coloration Monochromatic Numeric keypad No Number of products included 1 pc(s) LED indicators Yes Multimedia keys Yes Harmonized System (HS) code 84716060 Ergonomics Wireless range 10 m LED indicators Yes Features Wireless range 10 m Receiver Receiver type Nano receiver Power Service life of battery 36 month(s) Power source type Battery Battery technology Alkaline Keyboard battery type AAA Number of batteries (keyboard) 2 Mouse On off switch Yes Mouse included No System requirements Mobile operating systems supported iPadOS horizontal 178° Maximum refresh rate 165 Hz Contrast ratio (dynamic) 100000000:1 Contrast ratio (typical) 3000:1 Screen curvature rating 1000R Screen shape Curved Anti glare screen Yes Response time 1 ms Display brightness (typical) 250 cd m² Panel type VA HD type Full HD Touchscreen No Native aspect ratio 16:9 Display resolution 1920 x 1080 pixels Display diagonal 59 5 V SPD profile Yes Row active time 32 ns Refresh row cycle time 350 ns Row cycle time 45 8 mm Width 133