Dimension：

36.0 X 75.0 X 21.9mm

Weight：

41.8 grams (light unit and battery)

Light source：

Red LED X5

Battery：

AAA alkaline battery X2

Runtime：

Approx 60hrs in constant, 90hrs in flashing, and 120hrs in rapid mode

Mount size：

φ12.0～32.0mm (FlexTight SP-11)

Other：

Clothing clip included