Leadleds 28 In Led Screen 4G Program Display Video Picture Text Electronic scoreboards 1× DC Power cable for

1× DC Power cable for connecting to your portable DC12~24V battery

the blue light up when full charge

best Viewing Distance: 10-100mViewing Angle: Horizontally >160° / Vertically >130° Working Temperature: -22°F ~ 122°F Operating ambient humidity: 10%-95%RHCommunication way: Wi-Fi or USB      Operating system: Windows98/Me/2000/Xp/7/8/10

Time setting:

* 9 Brightness (According to the outdoor brightness adjusting the brightness of the LED display)

Leadleds 28 In Led Screen 4G Program Display Video Picture Text Electronic scoreboards 1× DC Power cable forThis Full Color WiFi LED SIGN, which programs and sends messages from your smartphone. By the 4G function, you can manage your messages even from the LED sign miles away. It's an offline operation, play your ads, don't need to control other devices, just power on and play. The LED sign board displays vivid and clear messages to catch your customer's attention, moving your advertisement, and increasing your sales gloriously. Display Your Messages What