21.5 inch Android touch WiFi advertising portable lcd digital battery mobile human walking backpack billboard

21.5" high brightness outdoor backpack screen, Android + 4G module SIM card interface, mobile ????APP one-click content upload, CMS and free city LAN, 1000 nits, high capacity battery, 24 hours of operation on a single charge, suitable for equipment rental for various events, mobile advertising,

Product Detail

Display parameters
Panel Brand	BOE
Panel size	21.5 inch
Resolution	1920(RGB)×1080
Visual size	409.8 ×230.4 mm (H×V)
Viewing angle	89/89/89/89 (Typ.)(CR≥10)
Brightness (cd/m²)	1000 cd/m² (Typ.)
Chroma	16.7M, 72% NTSC
Contrast	1000:1 (Typ.) (transmission)
responding speed	14 (Typ.)(Tr+Td) ms
Screen type	a-Si TFT-LCD
Backlight type	WLED
LCD life	50000 hours
System configuration parameters
operating system	Android 7.1
Motherboard	RK3288
CPU	Cortex-A17 quad-core clocked at 1.8GHz
GPU	Mali-T764
RAM	Standard DDR3 2GB (4GB optional)
Built-in storage	Standard 8GB EMMC NAND chip, expandable up to 128GB
IO/interface	HDMI1/VGA1/USB3.02/USB2.02/RJ45*1/AUDIO/MIC
The internet	100M Ethernet/WIFI: IEEE 802.11 standard
Video support	wmv, avi, flv, rm, rmvb, mpeg, ts, mp4, etc.
Audio support	MP3, WMA, WAV, APE, FLAC, AAC, OGG, M4A, 3GPP and other formats
Picture support	BMP, JPEG, PNG, GIF, etc.
Machine parameters
power input	AC90-264V 50/60 Hz POE
Whole machine power consumption	≤35W
Standby power consumption	≤0.5W
Sound speaker	Built-in 8Ω10W×2 speakers
Storage Battery	12.6V 50000mAh
Standby time	24 hours