Magnusson 15m laser distance measurer with LCD display and automatic switch off after 5 minutes. Batteries not included. For internal use. Working Range: 0-15m Accurate to ±2mm Calculates Distance Laser Class 2 Not Smart or Bluetooth Compatible No IP Rating: Indoor Use Auto Power Off in 5 Minutes LCD Display Increases by the Value of 0.05mm/m Working Range: 0-15m Accurate to ±2mm Calculates Distance Laser Class 2 Not Smart or Bluetooth Compatible No IP Rating: Indoor Use Auto Power Off in 5 Minutes LCD Display Increases by the Value of 0.05mm/m