GP BATTERIES GP13G-U2 Battery, Greencell, Pack of 2, Zinc Chloride, 1.5 V, D, Raised Positive and Flat Negative, 34.2 mm
GP BATTERIES GP14G-U2 Battery, Greencell, Pack of 2, Zinc Chloride, 1.5 V, C, Raised Positive and Flat Negative, 26.2 mm

KEYSIGHT TECHNOLOGIES U2751A 4 x 8 Wire USB Modular Switch Matrix with 45MHz Bandwidth