It is a kind of simple instrument which used for satellite receiving antenna's installation and adjustment , it can adjust the direction of antenna, feed location and as indicators of the project such as polarization Angle, make the position of the antenna to achieve the best. Features: Fully DVB compliant, live FTA digital picture and sound. 3.5 inch LCD Color screen. Lithium-ion 3000mA battery, normal work up to 4 hours. Support AV in/outt function, 13V / 18V / LOCK status panel LED display directly and battery power display. Plug and Play installation, with an easy to use menu system. Specifications: Color: black, yellow (optional) PAL/NTSC: automatic PAL/NTSC conversion Channels number: 6000 channels TV and Radio programmable Favorites: 8 different favorite groups selection OSD Language: English\German\French\Portuguese\Spanish\Italian\Russian\Turkish\Polish\Arabic\Farsi\Espanol\Deutsch OSD color: 16-bit OSD with anti-flickering Channel search: channel search in automatic, manual and network search Channel edit: various channel editing function Battery: Li-ion 3000mAh Power supply: DC12V/1500mAh (Input 100V-240V, 50/60Hz) Item size: 15.9 * 9.4 * 4.4cm / 6.26 * 3.70 * 1.73in Item weight: 431g / 0.95lb Package size: 20.5 * 18 * 6cm / 8.07 * 7.09 * 2.36in Package weight: 850g / 1.87lb Package list: 1 * Digital Satellite Meter 1 * Power Adapter 1 * AV Cable 1 * Car Chargeing Cable 1 * Carrying Bag 1 * User Manual