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• Sub-Ohm Supported
• Touch screen operation
• Variable voltage 3.0-6.0V
• Variable power 3w-30w
• Clock, Calendar
• Emergency flashlight
• Power bank: current 2.1A, voltage 5V
• Two 18650 batteries in Parallel
•Low battery capacity warning
• Smoking alarm for high frequency
• Short circuit protection, including charging and discharging protection