21.5” Digital advertising screen, Display Ratio 16:9 Resolution 1920x1080, Color 16.7M Brightness 500cd/m2, View Angle 178/178 CPU RK3288 Cortex-A17 QUAD core 1.8GHz, Operate system Android OS RAM 2G, storage 16G INAND FLASH, support for external expansion 512G Support WMV, AVI, MPEG, JPG, PNG formats Auto Play advertising files after power on Speaker 2 x 1W Auto soap/sanitizer Dispense by Sensor, touch free to avoid cross infection Life of dispenser is more than 650000 times Soap/sanitizer container 1000ml Solid steel frame, standard Color White Easy to set up and use, floor stand option available 1 year warranty, CE FCC Certificates