If you mean the Dera brush cutter, it is a petrol-powered agricultural/gardening machine used for cutting grass, weeds, bushes, and light vegetation.
Dera Brush Cutter – Description
Engine: Usually a 2-stroke or 4-stroke petrol engine, depending on the model.
Function: Cuts grass, weeds, thick vegetation, and small shrubs.
Cutting system: Can use a nylon trimmer head for grass or a metal blade for tougher vegetation.
Operation: Handheld, with a shaft connecting the engine to the cutting head.
Uses: Farms, gardens, compounds, roadsides, landscaping, and clearing overgrown areas.
Advantages: Portable, fast, and suitable for areas where lawnmowers cannot easily operate.
Safety: The operator should use protective clothing, eye/fac, I can provide its full specifications and a short description suitable for a quotation or tender document.