... ,different artwork, same price 2.Works with 4 x AAA batteries, with on/off feature . 3.180g,100%cotton washable T ... ready for useEL InverterVotage:6V or 3V Using 2 AA batteries or 4AAA Batteries. Type:Sound active ,5 flashing,10 flashing,WIFI Function ... . 4AAA ,2 AAA ,2 AA battery inverter. Flat wire and round ...