Laser funny cat stick New Cool 2 In1 Red Laser Pointer Pen With White LED Light Childrens Play Cat Toy skypeit 7 years ago Item Description: Max Output: 5m W. Wavelength: 650mm+/-10. Pen Length: 5.5cm Battery Type: 3*AG3 battery(included). Color: Red/Silver/Black/Blue\Green\Purple Attention :Do not irradiate on eye directly.