Vapefly Kriemhild 80W Box Mod Kit is composed of Kriemhild 80W Box Mod and Gunther Sub Ohm Tank. The Vapefly kriemhild 80W Mod is one of the innovative features of it is the Security Alarm System contributed by German 103 Team. When the chip detects a risk, the buzzer will send an alert to the user, such as Short Circuit Alarm, Overheat Alarm, 10s Vaping Alarm. Besides, the 3S chip also provides some safety protections: Over-heat Protection, Reversed Battery Connection Protection, Over-current Protection and so on. Kriemhild 80W supports single 18650 / 20700 / 21700 battery and comes with Type-C fast charging port. Vapefly Gunther Sub Ohm Tank is designed with U-shaped top airflow to bring smooth, quiet and leakproof vaping. Compatible with FreeCore? K series coils (Kriemhild II Coil) and Kriemhild II RMC, it will provide excellent flavor for you. Gunther Sub Ohm Tank can be refilled by top filling system and hold 3.5ml or 5ml e-juice capacity. Featurs of Vapefly Kriemhild 80W Box Mod: 510 threading connection Mod Size: 87.5 x 43.7 x 30.0mm Battery Type: Single 18650 / 20700 / 21700 (not included) Output Voltage: 0.5~8V Power Range: 5~80W Output Mode: VW / Bypass Coil Resistance: 0.1~3.5ohm Screen: 0.49 inch OLED Type-C fast charging Short Circuit / Overheat / 10s Vaping / Fully Charged Alarm Compatible with 18650 / 20700 / 21700 battery (not included) 3S chip protections: Short Circuit / Over Charge / 10s Cut-off / Over-heat / Reversed Battery Connection / Over-current Protection. Features of Vapefly Gunther Sub Ohm Tank: 510 threading connection Size: 25.2 x 54.5mm Capacity: 3.5ml / 5ml (with bubble glass) Drip Tip 810 (510 adapter included) Coil: FreeCore? Duplex? Mesh Coil:0.2ohm, FreeCore? Mesh Coil 0.3ohm, Kriemhild II RMC Filling Type: Top filling system Approved by German 103 Team Top refilling system Top airflow leak-proof, U shaped airflow 5ml / 3.5ml e-juice capacity Compatible with FreeCore? K Series Coils (Kriemhild II Coil), Kriemhild II RMC More details for Vapefly Kriemhild 80W Box Mod + Gunther Sub Ohm Tank Kit, please check >> https://www.3fvape.com/52778-vapefly-kriemhild-80wbox-mod-gunther-sub-ohm-tank-kit.html Quick links to the mod and tank as below Kriemhild 80W Mod >> https://www.3fvape.com/52785-vapefly-kriemhild-80w-box-mod.html Vapefly Gunthere Tank >> https://www.3fvape.com/52777-vapefly-gunther-sub-ohm-tank.html