Features:1) Dimensions (L x W x H): 8.5" x 6.5" x 3.0"2) Accessories:a) 1 acu points detecting probeb) 8 wires with 8 alligator clipsc) 4 self-adhesive patchesd) 1 user's Manuale) 1 acupuncture meridians and acu points chartf) 1 A/C adaptor for both 110V and 220V worldwide use (can be used inAmerica, Europe, South America and elsewhere)Packing: 10pcs/ctnNote: D/C (9 V) is accessible with 6 x "C" CR14 UM2 Batteries (not included). The "C" batteries can be purchased from any local stores.