Weather and vandal resistant stainless steel handsfree speakerphone in an open enclosure wall mount black housing with telephone symbol on sides. Desgined with push button for ring-down operation and red/green LED light provides visual indication of call progress. Telephone can be programmed to time out calls from 1-9 minutes or no time out and block or allow incoming calls. Telephone can not be left off-hook, as it detects when called party hangs up and resets itself. Phone relies on external equipment to control calling. Equipped with a weatherproof, puncture resistant speaker and microphone, industrial quality pushbutton, and tamper resistant security screws. ADA Emergency features Available. Weather resistant open enclosure housing available in black, (-R) red, or (-S) stainless steel.