● 7寸TFT，无辐射、低功耗，高清晰度的宽屏图象
● 门口机和室内机采用有线传输                                                                                                          ● 彩色COMS感光器（大于380电视线）                                                                                                                                                               ● 免提双工对讲功能
● 自动存储32副记忆图片（选配）                                                                                                                    ● 有监视室外的功能                                                                                                                                                                                                  ● 有24种和弦铃声供您选择                                                                                                                                                                                    ● 图象最长传输距离：约200米
● 工作温度：-5℃～40℃
● 相对温度：10％～90％（RH）
● 功耗：小于10W
● 供电 DC15V 1400mA