???
General Specs 
ModelZT-6521
Typehead lamp kit
Emitter TypeCREE
Emitter BINQ5
Head Stretch Adjustable support
Luminous Flux210LM
Modes3 modes
Mode ArrangementHi!#!gt!*!Mid!#!gt!*!Fast Strobe
Voltage3.6-4.2V
Battery  Configuration1* 18650 battery (not included)
Features
Super bright LED head lamp.
High efficiency and low power consumption.
Environmental and with well-distributed light.
Powered by 1*18650 battery (not included).
With a charger itself and a red LED indicator light.
Plug the charger into the charging hole of the lamp then the 18650 battery can be charged.
                
Package Details Weight: g
Size: cm
Package Includes 1 ~ Head Lamp Kit