1.Transmit distance is adjustable from 1-20cm,can be set according to actual occasion. With 86 Panel,special design with bottom panel,convenient for different installation. 2.With Relay contact output, available for connection with automatic door control devices. 3.Input Power:AC/DC12V~36V,Sensing distance:1~20cm,Modem frequency:38KHZ Action Current(DC12V ):115mA,standby current:65mA 4.Size:92(L)*92(W)*33(H)mm,Hole size:85(L)*85(W)*30(D)