... for record & playback voice message Recording time: 3"/ 6 "/10" / 20" / 30" seconds Using the ISD (made in U. S. A) recording ic, not taiwan ... recording ic. Size: 46 x 38 x 19 mm Item: H-0246,10,15,20 seconds with ... cell battery AG13×3 Item: H-0346,10,15,20,30,60 seconds push play switch, detachable push record switch, AA ...