Roule&reg; RL-SD7F 7" High Definition Color Video Camera Intercoms Entry Access Control System Door Phone Doorbell Door Viewer Night Vision Home Security Surveillance Motion Detection Auto Recording Comes with an adaptor and 49 ft cacble for do-it-yourslef, 16 different chord melodies 7" TFT high definition screen with low power consumption, no radiation. Ultra thin designed indoor unit with touch pad. Electronic door lock release function. Water-proof, damage-proof, oxidation-proof and abrasion-proof zinc alloy panel outdoor unit, motion detection and auto-recording function. Outdoor gate unlock control function up to two gates. Outdoor monitoring, comes with 4GB SD card, supports up to 16GB SD card.