This type of saw is a perfect tool to cut many kinds of materials. It has a voltage of 36 volts and has a somewhat modest weight of 3.4 kg.
From ManoMano
C3606DA/JRZ C3606DA/JRZ Multi-Volt Circular Saw 165mm 36V 2 x 2.5Ah Li-ion HIKC3606DAJR - Hikoki
This product is also available at 3 unverified stores.