... delivery timeFunction: laser pen, laser pointer, Used in many applications and industries including the military, ... of the laserOver 500-3000metersDivergence angle0.8-1.2mradBatteriesAAA*2pcsBeam diameter1.5mmclassIIIBFeature:Adding extra ... alkaline batteries, with high energyPackaging Detail: each in gift box, with white paper cover, 100pcs ... of an adult. 2 IN 1, 150mW laser pointer pen, star & point