2-1/8" x 2-1/8" x 5/8" thick rear set electric movement with a 4.5 foot power cord. 5/8" handshaft length with a 5/16" handshaft diameter. Maximum dial thickness of 1/4". Uses standard I-shaft hands which must be ordered separately. Sweep hand has stepping motion & must be ordered separately. Operates on 110 watts/60 HZ. MADE IN USA. Use these 2nd hands only for this movement: 16723 2-3/4, 16724 2-3/4, 16725 2-3/4, 16729 2-3/8“, 16731 2-3/8“, 16732 2-3/8“, 16733 2-3/8“, 16734 2-3/8“, 19007 3-7/16”