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Amazon.com: Logitech Wireless Presenter R400, Wireless Presentation Remote Clicker with 50 ft Red Laser Pointer 910-001356 : Electronics
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The Logitech R400 Wireless Presenter's inexplicable 'sabotage feature' | by Grenville Hamlyn | Medium
Logitech Wireless Presenter R400 presentation remote control - 910-001354 - Projector Accessories - CDW.com
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