LZHUYE 9mm Laser Training Cartridge for Dry Fire Training System with 3 Set Batteries

[Bright Beam] The laser is ClassIII A, power less than 5mW. this 9mm training cartridge have bright beam from 5-100yards, [Durability Material] the laser cartridge is made from brass case, durable and erosion resistance for harsh training environment, [Compatibility] this 9mm training cartridge mainly fit for 9x19mm caliber,the beam is work for most shooting training system, [Save your ammo] practice your shooting skill indoor and outdoor, save your time and ammo at the range, [3 sets battery& extra back cap] the laser cartridge comes with 2 back cap and 3 sets battery which can support 1000 rounds each set battery