Hornady Hit Target Impact Indicator 5 Pack. Attach it to a target stand and it easily distinguishes impacts by blinking H-I-T in Morse code. Being on target is six dots and a dash away. Features of Hornady Hit Target Impact Indicator 5-Pack Ultra-bright light indicates bullet impact on distant steel targets; Visible up to 1000 plus yards with naked eye (weather-dependent); Easily attaches to most stands with included elastic band; Rechargeable using micro-USB; Morse code H-I-T blinks for impact distinction; Accelerometer detects bullet vibrations for activation; Package Contents: Hornady Hit Target Impact Indicator 5 Pack Hornady 97301: Hit Target Impact Indicator 5 Pack