Quartet Laser Pointer & Wireless Remote, Brilliant Green, Class 3a, Black (73370) High visibility Class 3a GREEN laser is 7 times brighter than a standard red laser pointer and projects up to 655 feet; Dark Blue body with silver accents; includes 2 AAA batteries Features Next and Previous navigational buttons; present away from the computer using included wireless USB receiver Designed for large venues; no additional software needed, PC and Mac compatible DANGER - Laser Radiation  Avoid direct eye exposure; Class IIIa Laser Product; Maximum Output &lt;5mW; Wavelength(nm) 532