Light source: 1PC 15W LED
Wavelength: 365nm
Lens: Blacklight
Lighting mode: On/Off
Battery: 1PC 21700
USB charging port: Yes
Continus working time: >5 Hours @ 4800mAH 21700 battery
Zoomable: No
Size: Head Φ4.5cm x Length 14.5cm x body Φ2.8cm
Full set: 1PC Flashlight, 1PC 4800mAH 21700 Battery, 1PC USB Cable