When you buy from Stealthvape you can expect excellent service and products of genuine quality.
Small accurate LED resistance meter board that reads to two decimal points with a red LED display.
Pre wired and can be powered by 2x AA batteries for 3v, or by one 3.7v lithium battery.
**PLEASE NOTE, THESE DO NOT HAVE REVERSE CURRENT PROTECTION. IF YOU WIRE THEM UP WRONG THEY WILL DIE**