HD720 is the ultra durable external hard drive with a sporty design. It features a large storage capacity. and also undergoes stringent tests for waterproofing. dustproofing and shock resistance to provide excellent protection of data. The HD720 is the most rugged data backup for your next adventure!IP68 Water and Dust Resistant QualifiedThe HD720 has passed the stringent IP68 test. offering excellent water and dust resistant protection. Thanks to its durable design. the HD720 works normally even in a dusty environment or after being submerged in its storage state in 2 meter-deep water for up to 120 minutes. Tougher Shock Test QualifiedThe HD720 has passed a stricter 1.8m drop test than the standard military-grade (MIL-STD-810G 516.6) requirement. It is capable of handling the sudden crash. Triple-Layer ProtectionThe triple-layer construction of the HD720 incorporates exceptionally elastic silicone material to provide great shock absorption from all angles. Shock Sensor ProtectionShock Sensor Protection helps protect your data. If your HD720 suffers a severe shock from being struck. Shock Sensor Protection automatically starts up and displays a flashing red light. When the shock has passed. a solid or flashing blue light displays indicating normal operation has resumed.Wrap-around USB CableThe USB cable tucks into a wrap-around exterior groove in the drive casing. providing an elegant storage solution that matches the highly practical characteristics of the device. The Capacity You NeedDid you run out of space to save the videos and photos when you went for your last adventure? The HD720 provides large storage capacities. allowing you to record every wonderful moment.