3x Bite Alarms_ Operates with 2 x AAA 1.5V batteries (not included)_ Seven Volume and Tone Levels (including silent mode)_ Six Sentivity Levels_ Dedicated drop back LED indication_ Dedicated drop back tone Ultra-bright LED_ Low battery detection alert_ 1x Receiver_ Operates with 2 x AAA (not included)_ Memory function 3 alarm mode options_ Light + sound, light + sound + vibration, light + vibration_ Dedicated LED for drop back indication_ Courtesy night light_ Low battery detection alert_ 1x Bivvy Light_ Operates with 3 x AA 1.5V batteries (not included)_ LED light has six adjustable brightness levels_ Adjustable delay with six levels_ The lamp automatically synchronises light colour to the alarms_