Logitech R400 Wireless Presenter, 15m Range, Red laser pointer Battery indicator Plug-and-play wireless receiver Intuitive Slideshow Controls: Buttons are easy to find by touch. And the smooth contours feel great in your hand. You’ll be in control from the first slide to the last. Red Laser Pointer: It’ll be easy for your audience to see exactly what you’re pointing to. Up to 15 Metre Range: The 2.4 GHz wireless allows you to enjoy the freedom to move around the room and mingle with your audience for greater impact. Battery Indicator: Lets you know how much power is available with just a glance. Plug-and-Play Wireless Receiver: There’s no software to install. Just plug the receiver into a USB port to begin. And when the show is over, you can store the receiver in the receiver. DIMENSIONS Height x Width x Depth: 37.8 mm x 115.5 mm x 27.4 mm Weight: 57 g Receiver Height x Width x Depth: 16.5 mm x 58.6 mm x 7.9 mm Weight: 6 g SYSTEM REQUIREMENTS Windows®-based computer Windows Vista®, Windows 7, Windows 8, Windows 10 or later USB port TECHNICAL SPECIFICATIONS Color: Black Laser Class: Class 2 Laser Max Output: Less than 1mW Wave Length: 640～660nm (red light) Battery type: 2 AAA batteries Battery life (Laser pointer): 20-hour maximum Battery life (Presenter): 1050-hour maximum Wireless operating distance: Approx 10m 2 Wireless technology: 2.4 GHz wireless technology Supported OS: Windows Vista, Windows 7, Windows 8 Interface: USB Accessories: Carring case PACKAGE CONTENTS Logitech® Wireless Presenter R400 Wireless mini-receiver 2 AAA batteries Carrying case User documentation WARRANTY INFORMATION 3-year Limited hardware warranty