21.5 Inch Portable Touch Screen TV Wireless Bluetooth 4GB RAM 128GB ROM Mobile Monitoring Touchscreen Display with Camera for Android 12 US Plug 100 to 240V Item Type: Portable Touch Screen TV Material: SECC Sheet Metal Weight: Approx. 18750.00g / 661.39oz Display Size: Approx. 52.2x31.5cm / 20.55x12.40in Assembled Pole Height: Approx. 103cm / 40.55in Base Size: Approx. 36cm / 14.17in Screen Size: 21.5 Inch Panel Response Time: 8ms Contrast: ≥1200:1 Viewing Angle: 178°/178° Display Colors: 16.7M (8 bit) Resolution: 1920(H)x1080(V) Brightness: 350cd/m² Backlight: WLED Lifespan: 60000 Hours Type: PCAP Touch Screen Port: USB Accuracy: ±1mm Touch Points: 10 Point Touch Response Time: ≤10ms Working Time after Full Charge: >5 Hours Charging Time: 5 Hours CPU: MT6769 Octcore RAM: 4GB ROM: 128GB Operating System: for Android 12 Ports: Type C: 1, USB2.0: 1, Sound Output (3.5mm): 1 Speakers: 2 x 8Ω10W Wireless Fidelity: 802.11 a/b/g/n/ac or 802.11 a/b/g/n/ac/ax BT 5.0 Screen Rotation: Counterclockwise 90°, Screen Tilt: 20° (Up/Down) Built in Wheels: Yes Power: ≤35W Configuration: 4+128GB with Camera Machine Battery (Shipped with Built in Battery): Li Ion Battery 7800mAh Remote Control Battery (Not Shipped with Battery): Battery x 2 Camera: Yes Installation: Floor Standing Widely Used for: Home Entertainment or Small Offices, Advertising Control Methods: Mobile App, Remote Control, Touch Screen Usage: Media Information Playback Functions: Watch TV, Watch Videos, Live Streaming, Listen to Music, Remote Video, Advertisement Display Indicator Light Explanation: Red Lighting On: Charging Red and Green Lighting On: Charging and Screen Working Green Lighting On: Screen Working Note: Battery Status is Displayed on the Top Right Corner of the Screen When the Product is in Operating