Max. Light Output:Max Beam 450Lm±20% Power Switch: Press the Button High Med Low OFF Repeating Press the Button and hold for 1s. White Light Red Light Press the Button Red Light ON Flash OFF Repeating Press the Button and hold for 1s. Red Light White Light Peak beam intensity:1000cd±20% Beam Distance:60m±20% Impact Resistance:1M Description: LED Headlight Light Source: 1pc Cree LED, 3pcs Red LED,1pc red / green LED ( Power Charging Indicator ) Power Source:3.7V / 1200mAh rechargeable battery. Material: ABS / PC Size: 64 X 33 X 38mm Net weight:67g Water Proof:IPX 4