Modes: high light, low light and strobe light
With sensor function
Charging time 4hrs
Working time in high mode - 4hrs, in low mode - 12hrs
Luminous flux in high mode - 150lm, low mode - 50lm
Overcharge / Discharge protection
Impact and water resistant
Protection grade IPX4
Built in 3.7V 2200mAh-Li batery
Charging only by USB connection

Fully charge the unit before first use
Periodically charge the unit if it is not used for over 3 months