Logitech Wireless Presenter R400 with Red Laser Pointer review - YouTube
Laser Pointer, Logitech - Devices - Research Guides at Case Western Reserve University
Logitech R400 Wireless Presenter Remote Control
Amazon.com : Original Replacement USB Receiver for Logitech Wireless Presenter R400 and R800 : Office Products
ABLEGRID AC DC Adapter For Logitech G19 Keyboard Gaming Y-U0005 YU0005 Power Supply Cord Cable PS Wall Home Charger Input: 100 - 240 VAC 50/60Hz Worldwide Voltage Use Mains PSU - Newegg.com
LOGITECH C-U0005 2.4GHZ USB RECEIVER 810-001416 A2-1 | eBay
OMNIHIL AC/DC Power Adapter/Adaptor for Logitech G19 Keyboard Gaming Y-U0005 YU0005 Replacement Switching Power Supply Cord Cable PS Wall Home Charger Mains PSU - Walmart.com