Camera Feature: 1, 380TV lines sharp picture display. 2, Infre-red LED's to aid night-time vision 3, Built-in-microphone for audio monitoring 4, Min 100m transmission distance without block. 5, Aloyed shell, weather-proof funtion for ourdoor usage The Main feature 1. Global leading joint operation of wireless alarm and motion detection recording 2. Adopting 2.4G wireless transmission surveillance image signal 3. Supporting 8 zones, independent arming/disarming of each zone, and a maximum of 99 sensors 4. Arm/disarm, emergency alarm, recording, and on-site listening by main unit, remote control, or telephone. 5. A number of preset telephone numbers for alarm, and automatic dialing of alarm call 6. SD card, automatic overwriting, cyclic recording, featuring low cost, energy saving, and vibration prevention 7.2.5" TFT display (optional) for recording playback, and supporting display by TV or computer monitor 8. Easy to install and use, featuring a true DIY home security system