1)Anti lost & Anti theft alarm.
2)Intelligent obstacle avaoidance.
3)Removable poratble power.
4)Unlocked by finger or mobile phone.
5)Power assistance forward.
6)Gps tarck record.
7)Voice prompts.
8)Automatic weighing.
9)Smart follow.
10)Expandable size.
11)Material : 8 Layer PC+ Aluminium alloy.
12)Follow up distance : 1 meter.
13)Standby time : 10 days.
12)Battery :Panasonic,25200 mAh,3.7v,94Wh