Feature(may vary by option.)

●High quality nylon construction for long term use.
●Adhesive tapes on the back, easy to attach to your helmet (not included)
●Rubber ring in the battery compartment protects against water, rain, snow.
●Battery: 1 x 3 V 450 mAh CR123A battery (not included)
●Size: 8.5 x 5.5 x 3.5 cm

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Description