Vandal Resistant Features:14 gauge louvered 316 stainless steel faceplate with permanent laser etched graphicsStainless steel ôCallö buttonHeavy duty metal keypadT-10 Torx security mounting screwsWeather Resistant Features:Enhanced Weather Protection designed to meet IP66 Ingress Protection Rating (see DOD 859)Marine grade 316 stainless steel faceplate, screws and push button switchSwitch internally sealed per IP67Mylar speakerSelf-draining mic mountFaceplate, mic and speaker gasketsTwo sets of SPDT 2 Amp relay contacts for door / gate or camera controlSecure Remote Relay Control using Viking RC-4A (DOD 585)Blue ôCall / Statusö LED indicatorSIP compliant (see Product Manual for list of compatible IP-PBX phone systems)PoE powered (class 2, <6.5 Watts)Automatic Noise Canceling (ANC) feature for proper operation in noisy environmentsVoIP audio detection eliminates the need for ôPush to Talkö mode26 Bit Wiegand input for adding a Viking proximity card reader26 Bit Wiegand output can connect to card reader input of an Access Control SystemProgrammable to speed dial up to 250 numbersCycles to roll over phone number on busy or ring-no-answerProgram up to 1,000 keyless entry codesProgram up to 1,000 proximity card numbersKeyless entry codes and proximity card numbers can be programmed to only allow access at specific times and day of weekCall logging with time and date stampHangs up on busy signal, time-out or touch tone commandExtended temperature range (-40¦F to 140¦F)Volume adjustments for microphone and speakerSelectable auto-answer feature for monitoringRemotely programmableNetwork downloadable firmwareSelf diagnostics for testing com, mic, speaker, and switchZinc plated steel rough-in box with (2) 0.75? conduit knockouts includedFlush mount using the included rough-in box or surface mount using a Viking VE-6+7 Surface Mount Box (DOD 424) This product ships in approximately 1 days