LCD Type     TFT; LCD Screen Size：  7" ; Transmission frequency      ISM 2,400 MHz~2,483 MHz 4CH;Receiving Sensitivity      ≤-85dBm ;  Power Adapter:  DC 12V/ 1500mA;  ransmission distance without block：100m; Dimension : 190mm*140mm*20mm ; Weight :425;  Image Sensor：1/3" OmnVision CMOS Effective pixels：（PAL)628(H) x 582(V) (NTSC)510(H) x 492(V)Horizontal Definition：380 TV line  Minimum Illumination：1.0 Lux /F1.2（Infrared LED ON）Night-vision distance：15m   Dimensio：¢57mm*67mm  Weight：210g  1. Infra-red LEDs for night-time vision, Effective night vision range: 15m2.380 TV lines clear picture display,Weather-proof design for outdoor usage,Alloyed shell3. 4-channel available to Channel scan and channel skip for multi-camera usage4. Built-in microphone for audio monitoring 7 inch TFT LCD 2.4GHz 4-Channels Wireless AV Color Monitor.Receiver inside easy installation5.PAL/NTSC System.6. Remote Control with Full Functions.On screen display (OSD) menu  560) width=560;" border=0 name=homeimage>