**Product Name: ** SNDWAY Laser Distance Meter MS70**Technical Specifications: ** - Distance Measurement Accuracy: ±(2mm+d*1/10000)* - Continuous Measurement: This feature is available - Area/Volume Measurement: This feature is available - Pythagoras Measurement: This feature is available - Addition/Subtraction Measurement: This feature is available (SW-MT4 does not have this function) - Area/Volume Addition/ Subtraction: This feature is available (SW-MT4 does not have this function) - Max/Min Value: This feature is available - Self - Calibration: This feature is available - Sound Prompt: This feature is available - Laser Type Level: Class II 630-670nm, - Storage Record Count: 99 (SW-MT4 does not have this function) - Auto Laser-off: 20 seconds (single measurement) - Auto Power-off: 150 seconds - Maximum Battery Life: 4000/8000 times (Carbon/Alkaline batteries) - Storage Temperature Range: -20°C~60°C - Operating Temperature Range: 0°C~40°C - Storage Humidity: 20%~80%RH - Battery: 2 x 1.5V AAA batteries**Product Features: ** - Millimeter-level Optics - 0.1S Calculation Chip - Body Level Correction**Button Functions: ** - Single Measurement - Continuous Measurement - Area Measurement - Volume Measurement - Pythagoras Measurement - Addition/Subtraction - Changing Reference Point - Record Function - Auto Power-off - MAX/MIN - HD Backlight - Bubble Level**Package Contents: ** - 1. Gift Box - 2. Bag - 3. Laser Distance Meter - 4. Manual - 5. Hand Strap