ขาย Doosl อุปกรณ์ชี้แสงเลเซอร์อะลูมิเนียมอัลลอยด์สีเขียวสําหรับนําเสนองาน ราคาที่ดีที่สุด

Description Aluminum alloy body, which feels like frosted texture, fine and smooth Brilliant green laser pointer is easy to see on any presentation screeneven in a brightly lit room. Support hyperlinks. It also combines more functions of page up, page down, play slides, black screen for PowerPoint presentation. Support Page Up, Page Down, hull screen, Black screen, Press and hold the Page Up button for full screen or exit. Press and hold the Page Down button for black screen or exit. Specifications: Transmitter Technology: Radio Frequency Frequency: 2.4GHz Class II Max Output: < 5mW Wavelength: 532nm Working Voltage: 3.7V ~ 4.2V Dimension: 133 x27x13.3mm Weight: 46g Usb Receiver Dimension: 22.2x14.2x7mm Weight: 3g. Safety Warning: Be warned that 2.4GHz pointsers are not toys; they should never under any circumstances be directed into people 's eyes or at passing aircraft. It is illegal to direct the beam at any flying objects, moving vehicles and any public or private structures Operational clock: 08.00-17.00