GPen by Grenco Science
The G Pen Pro is a Convection Heating Vaporizer which features a 0.25g integrated ceramic chamber that heats dry herb evenly and provide maximum terpene vaporization.
The G Pen Pro has an integrated 1300 mAh lithium-ion battery that supports pass through charging. When on empty, the vaporizer can charge to full within 2-3 hours and can even be used while being charged.
This device heats up to temperature within 30 seconds to 1 of 3 preset temperatures. You can chose between 375F Blue, 400F Green, and 428F Red. To start heating the device up, press the power button 5 times then hold it for 5 seconds. Keep holding until the lights reach the desired temperature. Once the unit has heated up and is ready for use, the lights will stop blinking.