660nm - High quality 660nm LED lamp beads, ultra-portable design, essential for travel.
Portable Design - You can use it by one hand at any where and any time.
Stepless Dimming - The lamp has stepless dimmer adjustable brightness settings, you can set different brightness for your situation.
Portable and Rechargeable - High-brightness high-quality lamp beads, with the perfect handheld size, USB port charging design, so you can use it anytime, anywhere.
Memory Function - Single touch button design, easy to use, with power-off memory function, you can use the last brightness in the next time.