Flashing led light with photocell, Torpedo 8, white colour, 1 battery size D

"White colour Flashing Signal light with 5 Super bright LED’s. Equipped with a photocell, working only during the night, while it switches off during a day. Uses 2 X D batteries that last for 20 nights.
Acid resistant rubber o-ring waterproofs opening. Durable plastic body with anti tumbling protrusions and stainless steel spring inside."