... .Contax: 645,N1, NX,N Digital. Product Function:1. TC-252 function is single, continuous, bulb, delay shooting modes; ... normal shutter release when this product without battery.6. TC-252 is using LCD display to showing function, it ... (with battery):70.5gIncluded items TC-252:1pcShutter connecting cable/ e3:1pcAAA battery :2pcInstruction manual:1pc NoBarcodeModelProduct SizePacking QTY1489 51523 02715TC ...