3 in 1 Design: 3 kinds of light modes: Red Laser, Led Light（For Daily Use，Indoor and Outdoor），Uv Light (Detector for Dog Urine, Pet Stains，Bed Bug，Makes Scorpions Glow，Light Up The Night With Neon Body Paint, Identify Counterfeit Money and Document，Trace blood，semen，Saliva and fingerprints in forensics).Super Long Distance: The red laser can project over 100 feet (indoor). With this cat laser light, you can just sit on the sofa and interact with your cat without running around.Rechargeable & Charge Quickly & Long Last: USB charge and it can be fully charged in about 1 hour. You can link any device with a USB port for charging too. （For example：Charger，power bank，car USB port，computer USB port）Awesome Physical Exercise: Pets won’t be lazy to play with this laser pen chasing a toy, it provides key stimulation and keeps pets from becoming overly bored. Safe and Convenient: Typically features powers in the range of 1-5 milliwatts, harmless for humans and animals, but please do not illuminate the human or pets' eyes.