Hair straightening brush designed for fast, reliable styling with built in safety and temperature control. Key benefits Prevents accidental setting changes with an automatic temperature lock that engages after 4 seconds of inactivity. Double click the key to unlock when you need to change temperature or power off. Automatic shutoff after 30 minutes of inactivity for safer unattended use. Anion design helps lock moisture and smooth hair cuticles to reduce frizz and static for straighter looking, shinier hair with less visible damage. Wide, dense ceramic heating teeth combined with outer anti scalp comb teeth allow efficient straightening while providing a layer of protection near the scalp. Corded power with a 360 degree swivel cord for uninterrupted use and comfortable one hand operation at any angle. Twelve selectable temperature settings from 250F to 450F (120C to 230C) for use on a variety of hair types and textures. International dual voltage 110240V and a simple C F toggle by pressing the plus and minus buttons together, making it travel friendly. Features Temperature lock and quick unlock: key locks automatically after 4 seconds without input; double click to unlock. 30 minute auto shutoff for added safety during home or travel use. Anion hair care design to help manage frizz and static. 79 wider, dense ceramic heating teeth for fast, even heating plus 48 outer anti scalp comb teeth to reduce direct contact with skin. 12 temperature levels, adjustable to suit fine, normal, or thick and curly hair; higher temperatures may require holding the brush on a section for a few seconds and repeating passes for results. 110 240 volt dual voltage compatibility and C F display toggle for international use. 360 degree swivel cord to prevent tangling and enable ease of movement. Practical use scenarios Morning quick styling: Smooth and straighten sections of damp or dry hair quickly for a polished look before work or appointments. Travel and business trips: Dual voltage compatibility and compact cord design allow easy use in different countries without charging interruptions. Thick or curly hair styling: Use higher temperature settings and multiple passes on small sections to achieve straighter results while maintaining control and even heat distribution. Specifications Power source: Corded electric with 360 degree swivel cord Voltage: 110 240V dual voltage Temperature range: 250F to 450F (120C to 230C) Temperature settings: 12 levels Heating elements: 79 ceramic heating teeth Anti scalp protection: 48 outer anti scalp comb teeth Safety: Auto temperature lock, double click unlock, 30 minute auto shutoff What to expect Stable, continuous power for uninterrupted styling Adjustable heat to match hair type and styling needs Design focused on user safety and easier handling near the scalp Instructions and tips The temperature key will lock automatically after 4 seconds of no operation. To change temperature or switch off, double click the key to unlock first. For very thick or tightly curled hair, choose a higher temperature and work in small sections, holding the brush on each section for a few seconds and repeating as needed. Switch between Celsius and Fahrenheit by pressing the plus and minus buttons simultaneously. This hair straightening brush combines adjustable heat control, safety features, and an anion design to offer controlled styling for a range of hair types and travel needs.