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led display sales indoor led display , single color led display , red color led display , green color led display , yellow color led display ,bule color led display , led message display , led moving display , led display board Firmware updated online Paste or copy content from word or excel Text align left/center/rignt Insert temperature Insert graphics Insert real-time oclock Set size for display area Store and display 100 different messages 2 Kind of content storage location:Flash or RAM Each message have 512 Bytes,around 500 characters Multi-signs communication at the same time using one PC Graphics and international symbols available Insert countdown oclock,countdown days and time Make fonts by user Make images by user Pre-define message show day and time Pre-define power on/off for sign Set display mode.26 modes available Set passwore for sign. Set size for display area Set size and color for characters Set message moving speed .5 grade speed available Set stop time of message .10 grade stop time available Save message onto pc and open it in later use 1.5-,2.1-,4.5- 6.9- or 9.3-inch Characters Red/Green/Amber Characters Remot control or pc message entry Max.viewing distance up to 150 feet Aluminum alloy enclosure Power supply:AC 110V-240V Sign memory:2,046*100bytes, Message presentation modes:26 modes Memory retention:10 years Operation temperature:0 degree to 70 degree Power cord length:1800mm Case material:Aluminum alloy Mounting method:Mounting to wall Networkable via RS232, RS485,TCP/IP,USB,and wireless