With a quality sensor, this lamp allows you to easily adjust the brightness. Simply touch the lamp and hold it for a second or so for a particular brightness you want. It offers a generous operation time of 4 hours once fully charged. 

• LED quantity: 10pc.
• Power: 2.5W.
• Luminous flux: 140 lumens.
• Material: ABS.
• Customized color.
• Power capacity: built-in 1,500mAh lithium battery.
• Charging current: 500mAh.
• Charging voltage: 5V.
• Charging time: 5 hours.
• Running time: 4 hours.
• Switch mode: touch sensor.
• Dimming: touch and hold to adjust brightness.
• Accessories: 1 x micro USB cable, 1 x instruction manual.
• Capable with dry-cell battery power supply (3 x AA batteries).
• Patent no.: ZL-2013-3-05092720.