NITECORE NTP21 Multi-functional Premium Tactical Pen disocontinued Constant current circuit

Constant current circuit

To access AUX blinking mode

intelligent digital power display with humanzed AC charger and car charger design

Can be used as a power bank to charge other devices

Best of all

NITECORE NTP21 Multi-functional Premium Tactical Pen disocontinued Constant current circuitNITECORE NTP21 At A Glance Aluminum tactical pen with tungsten tapered tip Designed for self defense, emergency escapes, and daily writing High quality German gel ink refill provides quick drying, waterproof, and fade resistant writing Streamlined clip for carrying on your pocket, shirt, or backpack Tungsten steel tip can be used to mark on almost all kinds of materials Impact and corrosion resistant Included in the Box NITECORE NTP21 High Quality