Color Video Door Phone with 7-inch LCD Monitor and Handsfree Intercom Key Specifications/Special Features: Video door phone: HS-454 CCTV camera Display: 7-inch color TFT LCD with high resolution and contrast ratio Waterproof and durable outdoor station made of aluminum alloy panel Camera could be turned up, down, left and right to get clear image Handsfree intercom Monitor to view out of door 16 kinds of rings for your choice Unlock the electric-controlled door lock Product Certification:CE,FCC