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 Portable: I am pressing the control buttons on the front of the product and nothing is happening. What should I do? At Home: Does the product require a Bluetooth or Wi-Fi connection?