BOOM BOX TECHNOLOGY improves bass and volume for louder, lifelike sounds. Includes 15 brand new, different and farts sounds! WIRELESS remote control works up to 100 feet away and through walls! AS SEEN ON The Howard Stern Show. BLOWS AWAY our original Fart Machine! CAUTION: YOU MAY DIE LAUGHING! INCLUDES: (1) Fart Machine base with Boom Box Technology [9-Volt Battery NOT included *]; (1) wireless remote control (Remote battery INCLUDED); Sticky tape for hiding under chairs. * NOTE: For proper operation, be sure to use a NEW battery in the base unit.