Winrida 600 Lumen Handheld Flashlight LED Cree T6 Camping Torch Adjustable Focus Zoom Tactical Light Lamp for Indoor and Outdoor Sports Night riding Hiking 18650 Or AAA Battery (Not Included) Adjustable focus range for different usage, stretching to adjust its focus; Reverse polarity protect the LED light do not burn out if the battery installed backward; 5 switch modes: high,medium,low,strobe,SOS,With ON OFF button, easy to operate; Skid-proof and water resistant design, best suitable for Outdoor Camping, Climbing, Cycling, etc; Power by: 1 x 3.7V 18650 Battery or 3x AAA battery (Not Included);