Features: Easy installation, unnecessary to rewire while you can directly utilize original CATV cableTransmission distance beyond 100 metersLow power consumption Available to connect with dedicated tap and splitter

Compass   Specifications : The dial with a magnifier attached ,whose scale is precise and the diameter of which is  45mm,can be revolved .The folding shell, cast by engineering metal alloy, with its 2mm average thickness, is very solid. We could use the compass scale in the proportion of 1:25000 on the side of outer shell to measure the distance on the map. In addition, you could judge the deflexion utilizing direction measure apparatus . A metal wire fixed on the cover is used to locate positions on the map or in the field. A secure button is designed to prevent the cover from opening itself. There is special oil inside the dial.