Introducing the J&R JR103-CB Water Resistant Industrial Auto-Dial Telephone, designed for heavy-duty applications. With an IP66 weatherproof rating and a corrosion-resistant aluminum alloy case, it ensures reliable performance. Features include SIP/VoIP compatibility, vandal-resistant handset, automatic dialing for emergencies, and a flashing light for incoming calls. Perfect for tunnels, mines, and industrial sites. Welcome to visit our website!