Big displays for smaller powerboats, sailboats and RIBs, these compact yet powerful SeaTalk instrument displays offer full integration with Raymarine autopilots and navigation equipment. With extra large digits (1 1/8''H max) and razor sharp LCDs, easy-to-use i40 instrument displays have outstanding visibility in all lighting conditions. Red backlighting for improved nighttime visibility. Low power consumption for increased battery life. SeaTalk interface (SeaTalkng when used with SeaTalk to SeaTalkng converter). Built-in transducer interface. Same footprint and installation as older Raymarine ST40 instruments. Specs: Display Type - Segmented monochrome LCD, Digit Size – 28mm, Instrument Functions - Speed, depth, log and sea temperature, multiple alarms. Two sets of data in large or small digits, Speed/Depth Transducer - Two thru-hull transducers included, Included Accessories - Sun Cover, two thru-hull transducers, mounting gasket, clamping bracket, mounting stud/thumb nut, SeaTalk power cable, Data Interface – SeaTalk, Voltage – 12V (10-16V DC), Draw - 25-35mA Typ.; 100mA max., Waterproof Rating – IPX6.