Package included: 1 x Laser Pointer Pen (Not Included AAA Batteries) Three Colors: Blue,Green and Red for your choice Material: Aluminum Alloy Shell Batteries required: 2 x AAA battery (Not Included) Service life: 10,000 hours Green laser Output Wavelength: 532nm Red laser Output Wave length: 650nm Purple laser Output Wave length: 405nm Output Power: 5mw Working Voltage:DC=3.0V Trigger Voltage:DC=2.8V Interactive & Entertaining: Interactive led pointer training pet toy, ideal for cats and dogs, can provide exercise,endless fun and training pet. Compact & Versatile: Three colors for your choice- Blue, Green and Red. Suitable for various situations. The light of the Blue one is purple as it's ultra violet laser. High Quality & Fun: Stable high performance.Cat laser pointer,safe on animals. It is a amazing toy for cats because you can play with your cat with variations and it can even help you and cat to exercise. USE: 1.Press the push button to turn it on,release the push button to shut if off automatically. 2.It will be used to point at any desired targets on projection screens, video monitors, and presentation graphics. 3.Also can be used for forensics, illumination, indicating, alignment, sky pointing (astronomy) or just being cool. USE NOTE: 1.Friendly reminder:The laser is high power .So it runs out of battery quickly.And please don&amp;amp;amp;amp;amp;amp;#39;t keep the laser on continuously for more than 20 seconds or it will get burnt from inside easily. 2.The use of the laser beam is absolutely does not allow the irradiation of the eye in front of humans and animals! 3.Remove the batteries when not in use, put the child is not easy to get a place! 4.If you find that the brightness of the laser beam is seriously reduced Please note that to charge the battery or replace battery.