Dual Lens & Dual Screens Display One lens can be used for fixed monitoring, and the other lens can be used for PTZ monitoring. Support motion detection alarm + intelligent alert notification. Built-in infrared light & LED white light, provide clear / colorful night images. Smart Night Version,Dual Light switch automatic, 5-10 Meters(varies from environment). Support auto tracking control function. 2 Way communication & audio recording with built-in high-quality speakers and microphones. PTZ: rotates 355 degrees left and right and rotates 90 degrees vertically. Support PC/Laptop & playback thru Software. Support multiple users viewing at the same time. 4G Version:Support 4G sim card, no need to connect to WIFI.Only support these 4G band:B1/B3/B5/B8/B38/B39/B40/B41,before buy it please check your country wave band. Colour:White Material:plastic Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. voltage: AC220V Package Contents: 1 * Camera 1 * Power Adapter 1 * English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.