At Home: Is there a child lock on the SlumberCalm™ 2-in-1 Sound Machine & Night Light? June 11, 2024 18:59 Updated No, SlumberCalmTM 2-in-1 Sound Machine & Night Light has no child lock. Related articles At Home: I am pressing the control buttons on the front of the product and nothing is happening. What should I do? What are the timer durations? Portable: I am pressing the control buttons on the front of the product and nothing is happening. What should I do? Portable: How do I use just the nightlight without the sounds on? Portable: Does the The SlumberCalm™ Portable Sound & White Noise Machine come with a plug?