The Nerf Laser Ops Pro AlphaPoint blaster gives players everything they need to face off in head-to-head live-action laser battles right out of the box!* It fires a single-shot IR burst with each trigger pull and registers hits with lights and sounds, while lights display health status and ammo capacity. The blaster has unlimited ammo and a quick-reload button to replenish supply. Select to face off in a team or free-for-all. Adjust for the environment with the indoor-outdoor switch. Battlers can amp up their play via the free Nerf Laser Ops app by using the included armband* to wear a smartphone device (not included) on their arm. In the app, they can access real-time battle intel that allows them to customize the blaster, track their performance, earn power-ups, and locate opponents during battle. Attach the included solo attachment to the blaster for single-player battling with the app. Not compatible with Nerf Lazer Tag blasters. Requires 4 AA alkaline batteries (not included).Feature: Battle-ready out of the box* -- amp up play with the appFeature: Light and sound effects, unlimited ammo, quick-reload buttonFeature: Health, ammo, and team indicatorsFeature: Customize blaster, track performance, detect enemiesFeature: Includes phone armband* and solo attachment.