auer-signal.com 03 Features × comfortable and robust telephone for use in explosion endangered atmospheres × weatherproof, resistant to large temperature differences, air humidity, sea water, dust etc. × for universal use in industries, offshore etc. × certified for use in hazardeous dust and gas atmospheres × completely programmable, clearly readable alphanumeric display × 21 keys stainless key pad ( V4A) suitable for use with gloves × various accessories especially for use in explosion endangered areas available × Handsfree operation × Operating temperature - 25° C to + 60° C × Protection class IP 66 – Impact Protection IK 09