1LED TUP running spot light.,clipsafty bag light.
Attach it to your belt, coat, collar, pocket, running gear, reflective vest, armband.
Take off plastic switch besides make 3modes lighting.
Awesome outdoor utility light for camping, travel, backpacking; anywhere you need work lighting and the use of both your hands.
Keep one in your car glove-box, truck or camper.
Replacement Battery size is CR1220(batteries included) .