Baseline Digital Abolute Axis Goniometer.
The integral, absolute vertical and horizontal levels are permanently incorporated into the digital goniometer arm.
Reads 0 degrees - 180 degrees on LCD screen.
Has ability to freeze angle measurement.
Powered by one 9-volt battery.
Exterior is powder-coated steel with inch/cm marks screened onto arms.
Digital angle readout in center.
Horizontal and vertical levels to indicate level or plumb starting point.