SMARTTOOL Sensor Module

LCD Display:    Up/Down Arrows     Low Battery    Modes: ,%,in/ft    
Listen & Level Audio    Digital Display

The SmartTool Sensor Module is 165mm x 50mm x 35mm and comes in a padded carrying case. A 9 volt battery is included. 

Controls:         On/Off Button    Hold Button (freezes display)      
                         Calibrate Button         Listen & Level Audio Button   

                       Mode Button (degrees, slope or pitch)                  

The Sensor Module can also be used with any of the red aluminium I-Beam Carpentry & Construction Levels.