Hardware features:

• SmartGrade™ for super-fast, precise grade alignment.
  
• Industry's brightest LED line pivot locator.
  
• Bright, easy-to-read rear display.
  
• World's Best long-range spot quality.
  
• RC-200 radio remote for complete control of all TP-L4AV functions from up to 660 feet away.
  
• All metal, waterproof housing so you know it'll survive even under the toughest conditions.
  
• Plumb reference - vertical laser beam