Motor: 16H, 48V 350W, expanding brake  
Tire: 14×2.5 tubeless tire  
Battery compartment: 48V, 12AH/20AH  
Brakes: Front 80mm drum brake / Rear 100mm servo brake (with remote alarm and rearview mirrors)  
Maximum speed: 30km/h  
*(Note: Added units for clarity and corrected punctuation/spacing.)*