Sigelei GREAT WALL Mod is such powerful that the maximum output wattage can reach up to 257W. The temperature suite supports SS316 / SS317 / Ti1 / NI200 / TCR and the temperature range is 100 to 300 degrees Celsius / 200 to 570 degrees Fahrenheit. The mod is powered by 2 x 18650 batteries (not included) and supports 5V / 2.5A USB fast charging.

Specifications:

Maximum wattage output: 257W;
Temperature range: 100~300'C / 200~570'F;
Voltage input: 6.4~8.4V;
Voltage output: 1.0~7.5V;
Maximum current: 38A;
Powered by 2 x 18650 batteries (not included);
Working modes: POWER / SS316 / SS317 / Ti1 / NI200 / TCR;
Resistance range: 0.05~3.0ohm;
Coils supporting: Nickel chrome / stainless steel 316 / stainless steel 317 /nickel 200 / TCR / titanium
USB quick charging: DC 5V / 2.5A

Package:

1 x Box Mod 
1 x USB Cable