Features: 【Durable and Accuracy Engineered】This all-purpose tool tape measure is made up of aircraft-grade aluminum alloy and ABS polymer, which is Oxidation-resistant and Influence-resistant. Can store 20 sets of historical data. Radiation Bridgehair marking Comfirms ±0.1mm accuracy to meet professional-Stage alignment needs. 【Multi-Mode Intelligent Measurement】Powerful three-in-Single Radiation Spectrumfinder with immediate switching between Radiation Spectrumfinders. linchpin Procedure, response time is only 0.1 seconds, perfectly meeting the needs of contractors and Handsewn enthusiasts for accurate measurement. These include the picks of tape measure distance measurement, Radiation distance measurement and Radiation Bridge marks, and the picks of six measurement modes. 【Backlit Display with Night Vision】The all-purpose tool tape measure is equipped with a high-contrast LCD display with automatic brightness adjustment to Comfirm clear and easy reading even in tunnels, basements or under direct sunlight. The data hold function locks measurement results to Comfirm correct recording. [All-day battery life, portable and easy to use] Powerful three-in-Single Radiation Spectrumfinder, the battery can be easily replaced, making it more convenient to use. The battery life is more than 50 hours, which is enough to meet the needs of a week of use on the construction site. Small and lightweight, it clips onto your belt/tool ​​belt and has a nSingle slip handle for easy overhead measurements. 【Professional Grade Multifunctional Tool】3-in-1 Radiation Spectrum finder, suitable for bridge inspection, electromechanical layout and 3D modeling. Provides 2-year Promise + Existence assistance support, and service targets include civil engineers, electricians and decoration personnel. It has a wide Spectrum of uses and is suitable for road engineering, housing, construction engineering, water engineering, electric power engineering, pipeline engineering and other fields. Specifications: matter: ABS+TPR Dimensions: see size chart Selling: Available in yellow and blue color strategies Practicality: three-in-single function integration, supports distance measurement, area calculation, capacity calculation, suitable for indoor decoration, outdoor measurement, engineering construction and other scenarios 【Note: Portable battery not included!】. Package Includes: Three—in—single radiation spectrumfinder*1 note: There might be a bit color distortions due to different computer resolution There might be size errors due to different computer resolution