A rubber cover to prevent dust from entering. What's in the box.
GOOLOO GT4000 Car Jump Starter 4000A 100W Fast-Charging SuperSafe Portable
GOOLOO GT4000 Car Jump Starter 4000A Fast-Charging with -40℉ Pre-Heating Tech UK
GOOLOO GT4000S Car Jump Starter 4000A 100W Fast-Charging Car Battery Jump Pack.
GOOLOO 4000A Car Jump Starter Battery Booster Charger Power Bank 12V Jump Box UK
GOOLOO 4000A Car Jump Starter 12V Battery Charger Jump Pack EVA Case Portable
GOOLOO 4000A Car Jump Starter Battery Booster Charger Power Bank 12V Jump Box