Topeak White Lite HP Focus Front Safety Light

Lamp: 0.5W LED; Battery: 1.5V AA x 1 (included); Control: 2 Modes, Constant / Blinking Burn Time (approx): 15 hrs / 30 hrs; Luminous Intensity: 20 (Lux/5M), 5 (Lux/10M) Mount: Handlebar Mount; Added Features: Blinking Mode Size (L x W x H): 9.6 x 2.5 x 3.7 cm, 3.8" x 1" x 1.5" (light) Weight: 45 g / 1.58 oz; Material: Lamp Housing: Injection Molded Plastic