This saw has a built-in tool to measure both length and angle when you're cutting. The saw has a voltage of 230 volts and weighs in at 7.6 kg, so it should work for everyday use.
From Robert Dyas
Holzmann Mks180 180Mm Portable Metal Cut-off Saw 230V
Conrad Electronic
Holzmann Maschinen MKS180_230V Hacksaw 180 mm 20 mm 1280 W