Lowrance SB-4 Switch Box 2-Units with 1-Transducer 46-19 Part Manufacturer: Lowrance / LEI; Model: SB-4; UPC: 042194501901 Allows the use of (2) Lowrance, Eagle or Sea Electronics 192 kHz sonar units with 1 transducer Fits units that use HS-WS Has (2) 2 pin male, (1) 2 pin female gray connectors Sold as seen in pictures; Note every computer shows colors differently; All measurements are approximate; Hardware and instruction/installation manual not included