Convenient to use: onebutton interface for quick operation. Built from a robust ABS shell for lightweight, durable performance. Powers with 2 AAA batteries (not included) and provides hours of use. Angle and slope precision: accurate digital level readings with easy conversion between angle and slope. Switch between relative and absolute measurement modes at any hold point with straightforward controls. Energysaving and stable: automatically powers off after 5 minutes of inactivity to save battery life. Builtin magnet allows easy attachment to metal workpieces for stable, hands use. Portable and versatile: compact size for easy transport and storage. Use it on its own or with other measurement tools for a wider range of tasks. Suitable for both DIY enthusiasts and professionals. Use scenarios: Woodworking and carpentry: level shelves and cabinets, verify bevel cuts, align frames and furniture components. Installation and mounting: level mounting brackets, machine bases, and fixtures with reliable accuracy. Quick field checks: verify plumb and level on job sites, hanging pictures, or setting up equipment. Key attributes at a glance: function (onebutton operation, angle/slope readings, relative/absolute modes), compatibility (standalone or with other tools), size (compact and portable), material (ABS shell), and performance (autooff, builtin magnet, batterypowered).