HORNADY HIT TARGET IMPACT INDICATOR 5/PK FEATURES: Ultra-bright light indicates bullet impact on distant steel targets. Visible up to 1000+ 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.