Here are full specs of our GCC Rover M16:

Type A / Type B

Dimensions Width Base: 110mm Max (wheels protruding): 125mm
Length Base: 160mm Max (with attachments): 225mm
Height Max: 120mm Clearance at bottom with 50mm wheels: 43mm
Weight Net: 490g With battery and an attachment: 660g
Wheels Diameter Base: 30mm Tyre (min): 32mm Tyre (max): 50mm
Width Base: 8.4mm Tyre: 14mm
Steering 4 wheels independently -90º to 90º
Power Battery 2 cell 7.4V Li-Po battery Charged 8.4V Capacity 2100-2200mAh
Motors DC mini metal geared motor 150/300 RPM at 6V
Speed Max (150RPM/50mm tyre) ~ 0.5 m/s
Max (300RPM/50mm tyre) ~ 1 m/s
Sensors Distance Rover type A: HC SR04 ultra sonic sensor Rover type B: VL53L0X IR laser distance sensor
9dof Sensor Rover type A: GY801 (gyro l3g4200d, accelerometer adxl345) Rover type B: MPU9250
Camera Pi Camera Module v2 (8 mega pixel
Controller Main Raspberry Pi 3