Based on this product's specifications, here are some alternatives and similar models
Pipe blockage detector Unit UT661D — cable length up to 35 m, locator for clogged drains and sewers
Summary description:
Unit UT661D is a pipe blockage detector designed to locate clogs in drains and sewer lines with a cable reach of up to 35 m. The tool assists plumbers and maintenance personnel in identifying the position of obstructions inside pipes, enabling targeted cleaning or repair. It is suitable for residential and light commercial plumbing inspections and troubleshooting of blocked waste pipes and sewer lines.