High-voltage signal detection security alarm system with precise voice warning for enhanced safety in Hydraulic Aerial Cages, Cranes, and Hoists. Advanced sensor technology instantly detects high-voltage hazards, reducing accident risks. Durable ABS housing with reinforced insulation ensures long-term reliability in harsh environments. Clear, loud voice alerts provide immediate warnings for operator awareness. Easy installation with universal compatibility for seamless integration into existing systems. Ideal for construction sites, industrial maintenance, and utility operations. Engineered for precision with weather-resistant components and fail-safe circuitry. Minimizes downtime and maximizes workplace safety with proactive hazard detection.