Description: 
The Geek Vape Mini 521 Tab Ohm is designed to increase the degree of safety and avoid building a dangerous coil for the mod you are using. It is available for dry burning with a smaller size compared to the 521 tab. Besides, the 521 Mini tab supports the battery level indicator on the screen while the 521 tab can not. So you will find it more convenient to use with the design of rechargeable via USB port, which makes it safer for your coil DIY.

Main Features: 
Input voltage: 2.7 - 4.2V 
Output voltage: 1.8 - 4.2V
Burning protection: 14.5 - 15.5S
Output wattage: 31 - 33W
Resistance measuring range: 0.01 - 9.9 ohm 
Lowest resistance rate: 0.1 ohm 
Connection: spring loaded 510 pin 
Battery type: lithium 18650, 3.7V ( not included )
Coil resistance meter
Dry burn DIY coils 
Reverse battery, low-voltage, breaker, high temperature and short circuit protection
Rechargeable via USB port 
Compact and mini size 
Low resistance 
Coil resistance and battery level on screen 
Available for dry burning
Material: aluminum alloy 

Functions: 
OFF - turn off
Fire ( switch button ) - burning mode 
Press "fire" to dry burn coil 
Ohm reader - resistance measuring mode