Video Doorbell with ID Cards [2- wires] Metal Camera Video Door Phone Intercom Kit 1-camera 1-7 inch monitor Night Vision Touch Button Screen - No Wi-Fi & APP Black 1) Video Doorbell  Easy installation for 2 wires connecting, use your old audio doorbell wire connect directly, if no old wire, better buy RVV2 1mm2 wire connect doorbell with monitor; Or use CAT5e Cable instead . Watch visitors without a smartphone- Children & Senior Friendly. 2) Metal Outdoor camera + rain cover -IP44 water-proof Rainproof, damage-proof, oxidation-proof . Night Vision for 4meters - Clear image during both daytime and nighttime. 3) 7inch digital TFT LCD Screen for HD images--Ulta-thin designed touch pad indoor monitor. Without radiation, low power consumption and high definition. 4) Electric lock-control function. Indoor intercom function. Monitoring the outside of the door, see and hear what's going on outside without ringing the doorbell. 5) 2- year warranty. Any question with the item, please email to: sales5@metecsmart.com ,we will reply within 24 hours.