... duty usage Made of industrial environments that need an intercom telephone which can with stand rough usage & treatment. Specifications The ... T recommendation K.219. Handset: made of special engineering plastic, high anti-knock resistance, Weatherproof, armoured cable optional, 10. Hearing ... :10.8KGNet weight:7.2KG Loud Speaking Weatherproof Phone & Wireless telephone KNSP-08 Language Option French