Structural principle: Monochromatic blue laser directly penetrates the fluorescent sheet. Longest range: 1.8km. Waterproof grade: life waterproof.
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With a 4-button layout, you can easily go forward and back on your PowerPoint or Keynote slides, while the other two buttons offer a screen blackout option and a red laser pointer. The wireless 2.4GHz receiver stores conveniently inside the remote, and since it’s uniquely paired, you don’t have to worry about device interference.
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Function Key: Laser button/ Previous Page/Next Page/ Dark Screen/Escape/ ON/OFF switch/ Connect button. Wireless Present Pen. Power consumption: 30mA max. 1 x USB Wireless Receiver. No hassle setup, simply plug the USB receiver to your computer.
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Magnetic usb storage prevent from losing 2.Pen-like size is good to slip into a pocket 3. Buttons are easy to find without looking. It’s a functional classroom and office gadgets to assist with PowerPoint presentations.
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Kensington Si600 wireless presenter with laser pointer. Model number: 33374 Is in good condition, but is missing the USB dongle though so can't test it, but the laser pointer works. Item in Slough (just outside M25 West London, near Heathrow Airport).
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Specifications Material: Aluminium alloy Wave length: 650nm Normal operating temperature :15-30 degrees Storage Temperature: -10℃ -40℃ Power Supply: 2 * AAA Batteries (Not included) Laser Color: Red Pen Color: Black Item size: 155 * 13mm Safety Do not look into the aperture of the laser beam. Laser radiation is potentially harmful! Do not directly aim into eye. Keep out of reach of children Package Includes 5x Red Laser Pen(No battery and charger).
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Material:rigid aluminium. Laser Shape:Dot(rectangular to oval). Working Temperature ＋15 ℃~＋35 ℃. Duty Cycle 45 seconds ON, 15 seconds OFF. Output Power:<1mw. Waterproof N/A. Focusable Yes.
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Output wavelength: 593nm. Output power: 1mW. Beam style: continuous linear. Switch mode: Self lock always on, off. Working temperature: -10 ° C~+60 ° C. Storage temperature: -10 ° C~+40 ° C. Spot form: point shaped.
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