This wireless portable air pump is a compact, battery-powered inflator for when there is no compressor or 12V socket nearby. Being cordless, you can carry it to a bicycle in the garage, a car or trailer tyre at the roadside, or balls and inflatables at home without dragging a cable around. A small pump like this is handy to keep in the boot for topping up tyre pressure before a trip. We could not find a published specification sheet for this exact model, so check the packaging for the maximum pressure, battery capacity, nozzle adapters supplied and how it is charged.