MP Series 50M 70M 100M Laser Rangefinder Laser Rangefinder Distance Meter Laser Digital Electronic Tape MeasuresBrand Name: norm Laser Type: 620~690nm Measuring Reference: YES Batteries: 2*1. 5V AAA(Alkaline) Instrument Auto Switch off: 180s Dimension (L*W*H): 110X46X25mm Error Code: YES Laser Auto Switch of: 30s Battery Power Indication: YES Continuous Measurement (Max Min): YES Measuring Unit: m,ft,in Material: Electronic Historical Data Review: 20 Groups Single Measurement: YES Unit Conversion: YES Measuring Accuracy: 2. 0 mm to 2. 0 mm DIY Supplies: Tiling