Specifications:

• The Best Red Laser Pointer Pen is USB plug-and-play. No driver required. Just plug the receiver into the USB port on a PC and it works within seconds
• Unique time and vibration reminding, it is more convenience for you. Being presentation or be at other place, it is very useful
• Red laser pointer pen is USB plug-and-play, very easy to use
• No driver required. Just plug the receiver into the USB port on a PC and red laser pointer pen works within seconds
• This strong laser pointer is really perfect for focusing your target
• Interface: USB3.0, USB2.0, USB1.1
• Remote Distance: ≥15m
• Wavelength: 650nm
• Transmitters Size: 140 x 22 x 22mm/ 5.5 x 0.9 x 0.9in (L x W x H)
• Receiver Size: 58 x 17 x 12mm/ 2.3 x 0.7 x 0.5in (L x W x H)
• Material: ABS
• Operation System: Windows 2000, XP, Vista7, mac0s, Linux
• Transmission Rate: ≥100kbs
• Wireless Technology: 433.9Mhz
• Laser Distance: ≥100m
• Power: 1 x AAA Battery
• Working Temperature: +10°C ~ +40°C