Product information: Model: LM100 Color classification: LM50m distance measurement millimeter level LM100m distance measurement millimeter level LM120m distance measurement millimeter level Laser class: Class 2 (IEC/EN60825-1/2014), output power <1 mW Features: Electronic angle sensor Power supply: 3.7V 850mAh lithium battery Measurement accuracy: ±2mm (±1/16 inch) Angle range: ±90° Working range: 100M Maximum storage capacity: 30 Display mode: backlit LCD Unit of measurement: M / In / Ft Laser type: 635nm Laser automatic cutting: 20s Automatic shutdown: 150s Size: 112x50x25mm Plug shape: 1/4"-20 Charging method: USB charging Package: Measuring distance instrument x1