The WFS JG72HD-M is a portable handheld acoustic hailing and dispersal unit for law-enforcement messaging, security warning, and acoustic bird / crowd deterrent use. One-button power-on, built-in battery with level display, volume control, recording/playback, mic and AUX inputs, USB MP3, wireless-mic support, and dedicated dispersal / police-siren tones with illuminated keys. Rated 50 W with 137 dB±2 dB peak SPL @1 m, ~25° beam, and about 800 m open-field alert range; IP55 enclosure, ≥4 h runtime.

• Rated power: 50 W
• Frequency response: 710 Hz–5.2 kHz
• Peak SPL (@1 m): 137 dB ± 2 dB
• Directivity: 25° @ −3 dB
• Open-field transmit distance: ~800 m
• Battery runtime: ≥ 4 h
• Dimensions (L×W×H): 219 × 145 × 243 mm
• Weight: 2.7 kg
• Ingress protection: IP55
• Features: USB MP3, recording/playback, mic/AUX, wireless mic, built-in dispersal & siren tones