?Self-timing performance?Features self-timing performance, the hair color mixing bowl offers multiple time selections to meet various needs ?Low voltage operation?LCD time display makes it easy to get better knowing about remaining time. Low voltage operation, safe to use ?No more odour of oxygenant?No more bleach fumes or odour of oxygenant, it'll definitely bring much convenience ?Mixes dye & bleach perfectly?Portable size, convenient to carry. Suitable for professional salon use ?Easy to clean?It's able to mix dye & bleach perfectly, easy to operate and clean, more labor-saving