NuFlex Rechargeable LED Clip-On Light by Mighty Bright. 

• Provides light that is clear, consistent, and easy on the eyes
• Battery powered, and rechargeable (fully charges in 3 hours)
• 3 light levels with step dimming (high, medium, low)
• 3 LED lights that are energy efficient, and never need replacing
• Battery life: lasts 5 hours on high, 24 hours on low
• Light is soft-touch silicone overmold
• Strong-grip clip opens to 1.5" and can easily clamp onto stretcher bars
• Includes 20" long micro USB charging cable
• Perfect for stitching in low light! 
• Size: 12" x 1.5" x 1.5"
• Choose your favorite color - White, Black, Blue, and Lavender.