https://www.2fdeal.com/search/?Keyword=Laisimo&CateId=

Features
510 threading;
Output wattage: 10-220W (2 batteries)/10W-360W (4 batteries);
Temperature control modes: TI / NI / SS;
Resistance range: 0.05-3.0 ohm;
Temperature control range: 100-300'C/212-572'F;
Battery: 2 x 18650 / 4 x 18650 (battery sold separately);
Customizable colorful LED light;
Low voltage protection
High temperature protection;
Working overtime protection;
Output short circuit protection;
Low and high resistance protection;
Firmware upgradeable