• PRODUCT DESCRIPTION Alarm (9V Battery) (Not Included) 1.Sound (5 Level) 2Tone (8 Level) 3.Sensitivity (5 Level)4.Function Button: (7 Color Options) Receiver (1.5 AAA x Battery) (Not Included) 1.Sound Control2.Function Button 1: Press and hold for 2 seconds to turn on3.Function Button 2: Press 1 more time to turn on the vibration mode