Rotary battery switch with red housing and white faceplate labeled “COMBINE BATTERIES,” “ON,” and “OFF.” Marked Blue Sea Systems and “Dual Circuit Plus 5511e.” Label indicates a maximum rating of 32V DC and includes CE/UL markings. Four mounting ears with bolt holes are integrated into the base. Item shows light surface dust and minor cosmetic scuffs consistent with handling; no cracks or broken parts are visible in the photo.