Quick operation guide：
ES280-P 快速操作指南
Technical specifications：
ES280-P 技術(shù)說明書
User 's manual：
ES280-P 用戶手冊(cè)
Software download：
sales@escene.cn
Floor 4, Building C, YueAn Industrial Park, No.51 Huangcun Road, Tianhe District, Guangzhou, China.
ES280-P