Yes.
Zumio can be locked to protect against accidental activation by pressing and holding the on/off button for at least 10 seconds. The product will pulse 3 times and ramp down to off mode to let you know it is in ‘lock-out’ mode. Zumio will not turn on in this mode.
To unlock, simply hold the power button down for at least 5 seconds until the unit pulses 3 times to let you know its back in normal use mode. You can then let go and press the on/off button to use the product again.