Holy Stone HS510 Foldable GPS Drone with UHD 4K Camera – Drone Replacement Unit. Condition is “Used”. This is replacement drone unit only, tested in working condition, comes with battery, SD Card, and propellers (one propeller needs replacement) other 3 are like brand new. Great drone (for cheap price) just needs battery charger ($10) and a propeller ($10). You can control the drone via an app on your smartphone or just buy an optional controller. The drones battery works just needs a charge, tested and it flys and records, app enabled, GPS enabled. Final Sale, what you see in the pics is what you’ll get, no returns. We ship the next day.