Hardware features:

• Automatic line centering and grade zeroing.
  
• Bright, easy-to-read rear display.
  
• World's Best long- range spot quality.
  
• RC-200 radio remote for complete control of all TP-L4B functions from up to 660 feet away.
  
• All metal, waterproof housing so you know it'll survive even under the toughest conditions.