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 ManoMano
230V portable cut off saw 180 mm 20 mm Holzmann MKS180
Wilko.com
Holzmann Portable Metal Cut Off Saw 180mm 1280W - Multi - 230V