Xiaomi Mileseey DT10 Laser Tape Measure 2-in-1 Digital Laser Rangefinder Steel Tape Ruler Electronic Ruler 40M Laser MeasurementBefore order Please Note:It is Xiaomi Ecological Chain Products [There is no any Xiaomi LOGO on it]Thanks for your understanding! Features: 5m tape measurement | 40m laser ranging | one key ranging | instant measurement and display-When laser ranging is used, the screen displays the measured data in real time. HD large screen, data can be read clearly in dark environment.-Instantly record, short pre the SET button to view historical measurement data, and view the record anytime, anywhere.-It adopts two-color mold, exquisite workmanship, strong and wear-resistant high-density material, anti-wear and anti-fall, durable and long service life.-380mah polymer lithium battery, cyclic charging, easy to use, environmental protection. Specification Product Name: Laser Distance Measuring TapeProduct model: DT10Laser range: 40mLaser rating: Cla2 Laser accuracy: (1.5mm + 5x105D)Laser type: 630-670nm, <1mWMeasurement basis: front and back referenceScreen type: black and white reverse displayTape measure range: 5mTape measure accuracy: 1.5mmTape measure width: 19 mmOperating temperature: 0 C ~ 40 CStorage temperature: -10 C ~ 41 CLaser off: 30 seconds without operationAuto power off: 180 seconds after no operation