Dimension：

36.0 X 77.0 X 24.0mm

Weight：

approx 48 grams (with bracket and batteries)

Light source：

Red LED X3

Battery：

AAA alkaline battery X2

Runtime：

Approx 75hrs in constant, 150hrs in flashing, and 150hrs in random flashing mode

Mount size：

φ12.0～32.0mm

Other：

Clothing clip included