3.5" Color Monitor Security CCTV Camera Video Test Tester SMART DESIGN       TOP QUALITY        AT-1000 series “Security Tester” is a type of product that summarizes views of first-line safety engineers and it is developed specially for technical personnel to debug the front camera conveniently. It has some functions, like on-site access to camera images and providing temporary 12V power supply for the camera. It owns distinctive look and wearing design and the treatment for flexible paint on the surface becomes more humane. The product is built in 18650 lithium battery, providing powerful and reliable power supply for the device, along with the function that it will shut down automatically without video signal for 3 minutes. All the master controls use ultra-low-power decoder chips and MCU, providing eight hours of long working time. AT-1000 Security Test is a practical tool for security project commissioning and maintenance technicians.   Features: >>> 3.5-inch TFT display screen >>>PAL / NTSC standard Automatic Identification >>>12V/500MA Emergency output >>>Audio and video input >>>USB Universal Charging Interface >>>3 minutes' non-video automatic sleep, access-video-to- wake-up feature     How to use:   The main function of AT-1000 Security Tester is to show the front camera image, being convenient for debugging the camera's focal length, focus and angle position.   At first, please tie the wrist strap to the wrist or fixed bracket.   Power-on: turn the power switch to the ON position and the power indicator lights up. In case of non-video, it will be black or colorful screen (it varies according to the difference of the decoder chip). After accessing to video, images can be displayed properly.  Power-off: turn the power switch to the OFF position directly.  Access to audio and video: insert 3.5MM plug of audio and video lines directly into audio interfaces, connecting the other end to the camera. In case of power-on, you can observe video image directly. The audio is built in amplifier, so it can be directly connected to the monitor or other audio suppliers, and then you can hear the sound from the speakers.     Parameters   Items Specification Screen TFT 3.5 inch, Resolution 320 * 240 Shell materials Engineering ABS plastic Surface treatment Polyester wadding(elastic paint) Battery 18650 lithium battery DC3.7V (2200mA is set into the mechine) Machine power consumption ≤ 0.8W (12V emergency power does not open) Charger 5V / 1000MA                    Video input standard PAL / NTSC Video input 1.0Vp-p Emergency power output 12V/0.5A Audio Input 0.7 Vp-p Automatic sleep 3 minutes Operating Temperature 5 ℃ ~ +50 ℃ Size 92MM * 73MM * 27MM (shade cover part is 40MM) Weight 120g         More pictures:       Package list:     Host machine Charger Charging Cable Wristband 12V switch wiring Audio and video transfer cable BNC adapter Manual