Tempering gear：

• Five-level gear
• Above five-level gear
• Four-level gear
• Two-level gear
• Three-level gear
• Single gear

Water-tank volume：

• Above 2.2L
• 1.9-2.2L
• 1.4-1.8L
• 3L
• Under 0.9L
• 2L
• 0.9-1.3L
• 5L
• 1L