... styleWell tested, high quality, fast delivery timeFunction: laser pen, laser pointer, Used in many applications and industries including the military, medical ... chip, more than 5000 hoursBattery: 2*AAA alkaline batteries, with high energyPackaging Detail: each in gift box, with white paper cover ... laser pointers unless under the supervision of an adult. 2 IN 1, 150mW laser pointer pen, star & point