High accuracy 0.05, high resolution 0.01. High resolution, professional measurement. Single and dual axis, convenient to measure the angle. Dual and single axis with user friendly LCD display angle. V shape case for easy to fit at the corner or pipe. With 5 Side Magnetic base, audible alarming at settable angle range, any angle measurement. The unit could be by connecting the USB cable to the unit and a computer's USB port. Material: plastic colour: red Package Contents: 1 x Laser Level 1 x Charging Cable 1 x English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.