Waterproof Marine LED Strobe Light Position Indicator Light Emergency Safety Light Life for Life Ring Saving Equipment Powered by a built-in  battery. Drop it to  water and it will automatically float on. Pull  pin outward to turn on  light quickly. Included string to easily attach to your  ring. Designed to increase constant visibility and display your position during low-light emergencies. Ideal for fishing,kayaking,rafting,boating,etc.

Specification:
Luminous time: ≥ 2 hrs
Weight: approx. 107 g / 3.8
Luminous intensity: ≥ 2
Size: 75 * 75 * 158 mm / 3.0 * 3.0 * 6.2 in
Material:
Battery: 1* built-in  battery (can not replace)


Package List:
1* LED Strobe Light (with a string)