Aesthetic COLOR Red MATERIAL Plastic SECONDARY COLOR Black Construction WATER RESISTANT Yes Flashlights FLASHLIGHT MODES Steady on > Slow Strobe > Chaser > Fast Strobe MODE COUNT 4 MODE MEMORY Yes SWITCH PLACEMENT Head SWITCH TYPE Forward Clicky Light Sources LIGHT SOURCE COLOR Red LUMENS (MAX) 15 LM WAVELENGTH 770-622 nm Power & Batteries BATTERIES INCLUDED Yes BATTERY CAPACITY (MFG RATED) 1200 mAh BATTERY CHEMISTRY Li-Ion BATTERY FEATURE Rechargeable POWER CONSUMPTION 3 W Package PACKAGE TYPE Retail PACKAGE CONTENTS 1*LED Tail Light， 1*USB Cable (19cm)， 2*O-rings Dimensionsus | metric DEPTH 18.7 mm HEIGHT 72.8 mm WIDTH 29.7 mm PRODUCT WEIGHT 15 g