7 "Farb-Handsfree Video-Türsprech kit

2 wire video door phone kit No polarity installation easy as ABC or 1 2 3. 1. The 2 wire video door phone kit No polarity installation easy to update your current 2 wire audio door phone system and easy installation . 2. The kit including a 7" TFT indoor monitor and a luxury outdoor station. 3. Hand frees communication and intercom. 4. The indoor monitor door release function or outdoor camera door release function. 5.Colour 420 TVL CCD camera with cleare picture and 4 meters IR distance which ensure a good image in night. 6. Picture brightness,chroma, and talking volume adjustable. 7. Talking time lasting 120 seconds. Monitoring time lasting 40 seconds. 8. Power source: AC 110V-240V,DC15V 9. Indoor monitor panel: Aluminium alloy. 10.Outdoor station IP44 water proof standard. 11.Long distance up to 100 meters. 12.ID unlock the door available.