*  Adjustable Warm night light : Adjustable Warm and soft night light which do not harm to babies' eyes   *  7 different decent quality sounds:4 natural sounds and 3 lullabies, volume controllable   *  Additional removable strap:Length 7 inches, portable sound machine can be placed basically anywhere   *  3 timer options :30min / 60min / Timer off for your choice   *  Power Supply:  AA battery or Built-in Rechargeable Li-ion battery   *  Product Size:  L77*W62*H140mm     *  Weight: 132g