Battery Life: Approx. 6 hours continuously
Light Source: High brightness LED (chip type)
Size: Approx. φ0.8 x 1.3 inches (20 x 34 mm)
Weight: YF-317, Approx. 0.2 oz (5.5 g)
Ready to use battery: (Uses 1 Hapison Lithium Battery BR311)
There are 12 items that you can choose between sinking speeds
YF-317 Slow Sinking SS (sinking speed approx. 7 seconds/m *2) Approx. 0.2 oz (5.5 g) *2 at salty concentration at 3%
The sinking speed is set to about 7 seconds/m for approximately 7 seconds/m so you can use it to move it to the offshore point or see the changes in the water