With the Spy Gear Decoy Listener by Wild Planet, you can plant yourself in a safe location and listen. This listener disguised as a cell phone allows you to hear faraway conversations; just in time to hear your sister and her friend talk about their crushes! The Decoy listener will bring you one step closer to solving your top secret mission! And when you hear sister’s doorknob start to turn, activate the ringer decoy as a distraction and flee to your hideout! Measures 7 x 1 ½ x 9 inches. Requires 3 LR44 cell batteries, included. Ages 6 +.