Based on this product's specifications, here are some alternatives and similar models
Endoscope Camera Probe Voltcraft BS-6.5/1m — 6.5 mm diameter, 1 m length, compatible with BS-30XHR, BS-50X, BS-100XIP, BS-200XW, BS-220XIP
Summary description:
Rigid endoscope camera probe Voltcraft BS-6.5/1m with a 6.5 mm probe diameter and 1 m length. Designed as an accessory compatible with Voltcraft inspection camera models BS-30XHR, BS-50X, BS-100XIP, BS-200XW and BS-220XIP. Suited for visual inspections in tight spaces — pipes, machinery, vehicle engines — providing a compact inspection solution and extending the reach of the main camera unit.