High Technology Factory Best Price Multiple Doorbell Ringtones 7inch Color TFT LCD good night vision Video Door Phone

       High Technology Factory Best Price Multiple Doorbell Ringtones 7inch Color TFT LCD good night vision Video Door Phone     Model: PY-V811FA11   Application: Villa, Apartment   Function and Features:   1. 4-wire, 7-inch LCD display                                                                                                                                                                                                                                                                            2. color CMOS camera      3. with 5 meters connection wire    4. with call out, intercom, unlock, monitor function.    5. Max Combination: 6 monitors+1 cameras,  4 monitors+2 cameras   6. Max communication distance: 200m   If you want to know more about us, welcome to visit our website: www.smart-home-security.cn   Related Products, More Choice:     Wiring Diagram:   If you want to know more about us, welcome to visit our website: www.smart-home-security.cn