... Because this device is almost perfect. One in the hall, one in the barn and in the workshop. The flashlight is always loaded, and lights when power failure, in the dark turns for guidance a nightlight a. It is small enough to be carried in any pocket and still makes enough light so you in the dark everything looks. I use them every day to see at night in my stable after things. But, should you drop them only on soft ground, because on pavement or concrete they will seriously damage.