Portable: Is there a child lock on thePortable: SlumberCalm™ Portable Sound & White Noise Machine? June 11, 2024 19:13 Yes, there is a switch on the backside of the product. Related articles Portable: I am pressing the control buttons on the front of the product and nothing is happening. What should I do? Portable: Does the product require a Bluetooth or Wi-Fi connection? At Home: I am pressing the control buttons on the front of the product and nothing is happening. What should I do? At Home: Does the The SlumberCalm™ 2-in-1 Sound Machine & Night Light come with a plug?