up to 8.40 Volts (2 cell LiPo or LiIon)
Using The Switch:
Press and hold the button for about a half of a second until the LED glows orange.
Now release and quickly press the button again.The LED will turn Green. The switch is now on.
To turn off the switch, press and hold the button for about a half of a second until the LED glows orange. Briefly release and quickly press the button again. The LED will turn off. The switch is now off.
When the battery is initally connected to the switch, the switch will initially turn itself on. The LED will glow green. This indicates proper operation.
Low Voltage Indication: