Features and Specs for KBOX NANO:

Dimensions:
510 Threaded
Minimum Resistance: 0.3 ohm
Adjustable wattage settings: 7 to 50 watts using 0.1 watt increments
On/off - press the power button 5 times within 3 seconds to turn the device on or off
Low voltage protection
Low resistance protection
Short circuit protection
Reverse battery protection
Low battery warning
10 second cut off safety feature
More lightweight and compact compared to the original KBOX
Magnet battery cover
Utilizes one high amp 18650 battery (removable and sold separately)
Charged via USB (USB Cable included)