Includes 3 extra batteries. Day and night fun. Laser fun your pet can't resist! Bounce 'em, catch 'em, fetch 'em, roll 'em & throw 'em! A great toy to interact with your pet. Point the laser on the floor and watch your pet go wild. The Zoink Laser Fun 'n Run will be engaging for both you and your furry friend. Sergeant's is committed to providing high quality products. Class IIIa laser product. Model: U13. Max Output: less than 5mW. Wavelength: 630-680 nm. This device complies with 21 CFR chapter 1, subchapter 1. Made in China.