... "TFT Indoor Monitor 3.CE,ROHS,FCC,CCC,IQNet 4.Night Vision JB-304 VILLA INTERCOM SYSTEMFeatures DIY system with PLUG & PLAY ... phones.Intercom between indoor phones.Calling transfer between indoor phones.E-lock can be connected to both door station and indoor ... phone.Anti-vandal, waterproof, cast aluminium, surface mount.Night viewing with IR LED.Handsfree indoor phones are optional.Pin ...