2026-08-27
Confidential premises including secure meeting rooms, restricted archives and classified computer rooms forbid drilling, cabling and structural alteration, making conventional fixed‑security devices inapplicable. This black cylindrical portable optoelectronic anti‑spy‑camera unit adopts a non‑intrusive movable design with dual battery/external power supply, delivering flexible, relocatable anti‑eavesdropping and anti‑visual‑eavesdropping solutions for classified indoor environments.