Use Used for dying in lab. Temperature is displayed by LED. Model Power Temperature Range Inner dimensitions HD101A-1 AC220V 室温Room temperature ~300℃ 450×350×450 HD101A-2 AC220V 室温Room temperature ~300℃ 550×450×550 HD101A-3 AC380V 室温Room temperature ~300℃ 600×500×750 HD101A-4 AC380V 室温Room temperature ~300℃ 800×800×1000 If the listed specification has any changes,our company has right to modify without notification at any time.