1, smart building module
2. Remote handle
3. Specialized USB charge
IV. CONTEXT
5 Wood parts pack
6. Suction plastic tray
[Battery Battery]: containing 3.7v lithium Batteries 400mAh
[Electro]: High-performance electric power
[Remote]: 2.4G technological remote handle
[charge]: USB round charge interface
[charge time]: about 120m
[Driving time]: about 40min
[Roster distance]: > =20m
(Note: Remote handles use AAA2 section, unchartered: go forward, turn left, turn right)