VALCOM V-400 DESKTOP MICROPHONE DESK MICROPHONE SUITABLE FOR ALL INDUSTRIAL/COMMERCIAL PUBLIC ADDRESS, AND PAGING APPLICATIONS. FEATURING MODEM STYLING AND RUGGED CONSTRUCTION, THE MICROPHONE PROVIDES A PUSH TO TALK BAR WITH A SLIDING LOCK ALLOWING IT TO BE LOCKED IN THE INCHON INCH POSITION. A LONG LIFE SWITCH GIVES YEARS OF TROUBLE FREE OPERATION AND PROVIDES A CONTACT CLOSURE FOR MUSIC MUTING WHEN THE TALK BAR IS PRESSED. FEATURES:  DYNAMIC ELEMENT OMNI-DIRECTIONAL PICKUP PATTERN CYCOLAC HOUSING WITH DIE CAST BASE PUSH-TO-TALK BAR WITH LOCK HEAVY DUTY FOUR CONDUCTOR SHIELDED CABLE