Oak Reak Bid Sound Box (right of image) This battery operated box plays bird song through an integrated speaker and is motion activated. Suitable for use in any room around the house, fill your bedroom, bathroom, kitchen or living room with the sound of birdsong. Place in your hallway to greet visitors to your home with the sound of your garden. A great gift for people who are in hospital and are unable to be outdoors listening to the garden birds, this compact box has a volume control and can be switched off when not in use. Duration: Two minutes of birdsong gently subsiding if no further movement is detected. Sound: Birds Dimensions: W 110 x H 145 x D 35 mm Design: Oak Weight: 262 g Batteries: 3 pieces AA (included)