LP453W General Specs Laser Color green  Max. Output Power 5MW Wavelength 532nm Irradiated Range 5-10m Switch  button switch for easy operation Spot Shape starry pattern Power Supply 1 × AAA battery (Not included) Battery Capacity 1.5V 400mAh Special Features used as a starlight with the laser cap Others comes with a plastic box for storing carefully Features Green laser. Used as a laser pointer pen when you remove the cap for pointing. Used as a laser starlight pen with the cap for entertainment. Easy to opearte: just press the button to switch on/off. Package Details Weight: 71.69 g Size: 9.2*4.1*2 cm Package Includes 1 × Green Laser Starlight and Pointer Pen