Scenario: for wedding surprise, family reunions, holiday surprise Christmas, beach parties Safe and friendly to environment : recycling, charging 1 hour can be fully charging, fully charging can place 400 times, recycling that is durability and friendly to environment High carrying capacity: smooth and safe, can carry about 100G items, smooth flight, safe and fast operating: quick installation, press the to fix the fuselages can be pushed lightly, press the components, easy and Remote Delivery: Not distance limitation, any remote controled ranging to execute the presets attitude, the can be released after rotating in place for 10seconds, simple operating, easy to use