Fanvil i31s SIP Video Door PhoneFanvil i31s SIP video door phone supports Remote DTMF, Local Password and RFID Cards to Open the Doori31S voice access is a full digital network door phoneIts voice access supports entrance guard control, voice intercom, ID card and keypad remote to open the door.Fanvil i31s SIP features a Water-proof, Dust-proof and Striking-proof Design hence can work even under extreme conditions.It allows you to avoid malicious damage, 1KV antistatic protection
