1. Physical Characteristics� Transmitting aperture: 6mm� Receiving aperture: 13�10mm� Shell material: Aluminum alloy� Number of operation buttons: 5� Buzzer: Yes� Charging port: Type-C (waterproof)2. Display & Interface� Display size: 2.4-inch TFT color screen� Display type: TFT color screen� Auto screen rotation: Supports 4-direction switching (horizontal/vertical)3. Measurement Performance� Ranging range: 0.15�120m� Ranging accuracy: �(3mm + d�5/100,000)� Inclination range: �90�� Real-time angle display: Yes (shown on top of screen)� Continuous measurement: Supported� Single measurement: Supported� Pythagorean measurement: 5 modes� Unit switching: ft/m/in/ft+in4. Laser & Safety� Laser type/class: 650nm, <1mW, Class II5. Functions & Controls� Button 1: Measurement/Power� Button 2: Unit/Reference� Button 3: Function mode� Button 4: Clear/Shutdown� Button 5: +/- key� Data storage: 100 groups� Electronic level bubble: Yes6. Additional Features: Protection rating IP547. Packing: Color box + cloth bag