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綠光雷射亮度為紅光8倍，更適用於深色背景
Green laser is brighter than red one, more suitable to use on dark screen
人體工學外型,大按鍵設計,操作輕鬆便利
Ergonmic design,Big-button design, provides easy and convenience
單鍵切換螢幕全黑、全白，輕鬆掌控會議進度
Just press one button to switch black and white screen，Easily control the progress of the meeting
USB dongle is designed slim enough to snap into the main body
Not necessary to install any software or driver before starting.
- 2.4GHz高頻率波段連結，無方向限制不干擾，超長遙控距離開放空間距離可達50公尺
High-frequency connection: Using the 2.4GHz frequency band avoids possible disturbance and max. communicating range can be 50 meters in open space
Design and produce in Taiwan ,Two years warranty based on loging in on website |