About This Pin-type And Pinless Design - The design of both pin-type and pinless options caters to different user preferences.The pin-type design provides users with specific numerical readings for pinpointed spots, while the pinless design allows users to quickly scan the surface of the object, identifying wet spots. Specialized Modes - Softwood Mode/ Dry Wall Mode / Cement Board Mode / Hardwood Mode / Mildew Index Indicator Bar / New Longer Handle - Ergonomically designed handle for easy gripping Surface Protection - NDI moisture meter ensures surfaces remain unblemished. With a pinless design, it prevents damage like pinholes, scuffs, and scratches while effectively measuring moisture levels. New Angle Sensor - To safeguard the object from potential harm caused by the entire machine touching it, a novel design includes an angle sensor. This sensor only makes partial contact with the surface, ensuring superior protection for the measured object. Convenient Controls: Features include HOLD button, auto power-off, out-of-range alarm, low battery indicator, and 2 * AAA battery included for immediate use.