Switch Box - Model 296
Specifications

INDICATED USE: 2 detector connections to a single instrument (the Model 296-1 is also available with 3 detector connections)
CONNECTORS: series "C" (others available)
SIZE: 6.9 x 5.6 x 14.7 cm (2.7 x 2.2 x 5.8 in.) (H x W x L)
WEIGHT: 0.2 kg (0.5 lb)