USB Outdoor Lamp "Zack" pairs a classic base with a durable polypropylene shade and an IP44 rating for reliable outdoor use; USB-rechargeable with a Lithium ‘ion 18650 battery delivering up to ten hours runtime and a 4-hour charge; offers three lighting effects ” multicolour, flame effect and white light ” is easy to wipe clean and fits compact surfaces at D.16 x H..