There is a rechargeable battery pack installed which runs the receiver and the single motor, with a charging socket and power switch located on the front buffer beam.
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| gauge | Gauge 1 & smaller |
| length/inches | 10 |
| width/inches | 4 |
| height/inches | 6 1/2 |
| weight/kg | 1 1/2 |
| wheel material | steel |