Zircon WL50 Electronic Water Level
Utilizes basic principle of water leveling. 1-man operation allows long-distance leveling. Horn sounds as level is found. Accurate within 1/16". Eliminates guess work. Allows blind leveling around corners. Ideal for erecting fences, decks, and sloping driveways. Includes 25' PVC hose and 1 hose adapter. Operates on 9V battery, not included.