High accuracy 0.05, high resolution 0.01, professional measurement. Single and dual axis, convenient to measure horizontal/ inclination angle at the same time. 2 modes measurements, standard mode and relative mode. Designed with gyroscope function, can measure any angle, measurement accuracy 0.5. Length, angle, percentage, 3 unit modes, freely change according to your needs. Magnetic base, 360 degree magnetic field, V shape case for easy to fit at the corner or pipe. Buzzer alarm function, easy to set sound alarm angle range, convenient to test product or research experiment. Can be charged by connecting the USB cable to the unit and a computer's USB port. Specification: Power Plug: UK Plug Resolution: 0.01 Response time: