Features 1、Automatic calculation of area and volume, easy and convenient to use. 2、Data storage/call function, data retention/data clearing function, which is convenient for your using. 3、Large LCD with backlight and multi‑line display for easy reading. 4、Auto‑correction and error reporting techniques, buzzer indication, battery status indication. 5、Multi‑function intelligent computing, automatic / manual shutdown function. Specification Features: 1. Automatic calculation of area and volume, easy and convenient to use. 2. Data storage/call function, data retention/data clearing function, which is convenient for your using. 3. Large LCD with backlight and multi-line display for easy reading. 4. Easy positioning with a bright laser pointer. 5. Auto-correction and error reporting techniques, buzzer indication, battery status indication. 6. Dust and splash proof IP54 protection. 7. Multi-function intelligent computing, automatic / manual shutdown function. Specification: Condition: 100% Brand New Item Type: Measuring tool Main color: black and orange Size: Approx. 15.5 * 7.5 * 4.8cm / 6.1 * 3 * 1.9in Measuring range: 0.5m to 18m Hardness: ±0.5%±1cm Laser class: Class II Laser maximum output: <1Mw Dust and splash proof: IP54 Laser auto off: 30S Power off automatically: 3 minutes Power: 1 * 9V battery (Not Included) Shell material: ABS Wide measuring range: Yes Bubble level: Yes High precision: ±0.5%±1cm Indirect measurement of Pythagorean theorem: Yes Single/continuous measurement: Yes Maximum/minimum distance tracking (display value): Yes Easy to add/subtract measurement: Yes Set pre/after benchmark: Yes Optional meter (m), inches (in) and feet (ft): Yes Package list: 1 * Ultrasonic Meter Pointer (Without battery) 1 * Instruction manual Note: 1. Please allow 1-2cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List