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⭐️FEATURES⭐️
- Interior decoration & design and construction technology 
- Construction project supervision and on-site inspection 
- Fast forensics from accident site for traffic police 
- Real eatate development and evaluation , fire evaluation 
- Public facilities planning, landscaping planning and application in telecommunications industry...

⭐️SPECIFICATIONS⭐️
- Brand : Bossman 
- Model : BSW40
- Working range : 40M 
- Smallest unit displayed : 0.05mm
- Measuring Accuracy : Typically ±2mm
- Continuous Distance Measuring (tracking) : Yes 
- Area / Volume : Yes 
- Pythagoras measuring : Yes 
- Length / Area / Volume addition / subtraction : yes 
- Max & Min Value : Yes 
- Skating Out : Yes 
- Delay Measurement : Yes
- Self-calibration : Yes 
- Back Piece : Yes 
- Bubble : Yes 
- Backlight : Yes 
- Laser : Class II 
- Laser Type : 653mm , <1 mW
- Record : 100PCS 
- Auto Laser Off : 20s 
- Auto Switch off : 150s 
- Power Supply : AAA 2 x 1.5V 
- Battery Life : Up to 8000 times 
- Storage temperature : -20 ... + 60°C
- Working Temperature : 0 ... + 40°C 
- Storage Humidity : RH85%