Listening through walls.
-Special pull back vechicle with secret listening device. 
-easy to listen all the action.
-High sense metal probe. 
-Coming with earphone and recording function.

-small as a jelly

-complete function:charge hole,earphone hole and switch knob upside

-easy operate,cling to the door,window or wall

-Able to get the sound out from the wooden/brick wall, windows or door or armor plate
-High sensitivity detector
-Earphone and REC out hole make it can be connected to the recorder for recording

 Package:

 1*Ear Listen Through Wall
1*Earphone
1*USB cable

1*manual