The Coil Master 521 Tab Mini V2 delivers a modern update to the original multi-functional building accessory, retaining the features of ohm meter reader, voltage drop checker, rebuild deck, and test fire station. It is equipped with a 510 spring-loaded connector for attys of all size and intuitive OLED screen with pipe symbol for test-fire setting and... Learn More

The Authentic Pilot Coil Magician Mini TAB Yellow Ohm Meter Tester is with coil rebuilding deck and coil bumming. It is powered by 1 x 18650 battery and with reverse battery protection and short circuit protection. Other Color: Learn More

The Pilot V2 tester is powered by 18650 battery (not included) that can support 7~50W power output when you treat it as a box mod. The resistance range is 0.01~9.99 ohm, the volt range is 0.3~9.99V. This tester comes with USB port. This Pilot V2 can test the resistance of atomizer and the Voltage of the mod battery. Also this Pilot V2 can DIY the wire... Learn More

The authentic Geek 521 Tab ohm meter is powered by 18650 battery (not included). The resistance range is 0.01~9.9 ohm. It has low resistance protection and high temperature protection. Learn More