Dual switch mode:	Quick pressing four times -> On -> High(4000lumens at 2hours) -> Low  (1200lumens at 8 hours)->Off. SOS(double click) and Stepless Dimming(long pressing)
Lumens:	Supe Brigh tat 4000 lumens,Lowat 1200 lumens,and SOS at4000 lumen
WorkingVoltage:	2.7V
Compatible Battery:	3*18650 batteries pack charged by type C cable
Depth Rating:	100M
Beam angel:	12 degree.
ColorTemperature(CCK):	5600K
CRI:	96
Red 9(R9):	94
(TLCI）:	97
Dimension :	Length 235mm x 35mm x 60mm(head)
Colour :	Black/Silver
Weight :	295g(Underwater)