Product Information:

• Beam angle up to 100 - Provides flawless wide beam to illuminate peripheral vision
• Advanced Power cut-off (APC) Technology - An ultra-low parasitic drain of 1um provides a 365-day ready experience in the standby status
• Integrated USB charging circuit
  • Built in high efficiency li-ion battery: Provides runtime of up to 58 hours
  • Intelligent protective circuit: Over-discharge protection, Overcharge protection, short circuit protection, ceases charging automatically when power level reaches 100% 
  • Integrated blue power indicator: Illuminates steadily during charging, goes out automatically when charging is completed
• Ultra tiny and lightweight: Weighs only 0.34oz (9.6g) with battery comes in 2.2" x 0.83" (5.6cm x 2.1cm)
• One hand operation with your fingertips
  • Low level: when the light is off, press the power button to access the low level
  • High level: when the light is off, double press the power button to access the high level
  • Momentary illumination: When the light is off, press and hold the power button for over 1 sec to access the high level of 55 hours
  • Infinitely variable brightness: When the light is off, short press and then long press the power button to access the adjustment of the infinitely variable brightness, and release to select the current brightness level

Features:

• Rechargeable li-ion battery
• Stainless steel key ring connector
• Length: 2.2"
• USB rechargeable
• Width: 0.83"
• 1 - 45 Lumens infinitely variable brightness
• User friendly interface