Worm Gear DC Geared Motor 24v High Power High Speed Motor Self-Locking Gear 

Model A parameters are as follows.
[Rated power] 60W
Rated voltage] DC24V
No-load current] 0.7A
No-load speed] 52rpm
Suitable voltage] 12-24V(26-52rpm)
[Weight] 1.35kg

Model B parameters are as follows.
[Rated power] 60W
Rated voltage] DC24V
No-load current] 0.6A
No-load speed] 52rpm
[Suitable Voltage] 12-24V(26-52rpm)
[Weight] 1.14kgs
The parameters of model C are as follows.
[Rated power] 80W
Rated voltage] DC24V
No-load current] 1A
No-load speed] 120rpm
[Suitable voltage] 12-24V(60-120rpm)
[Weight] 1800g

The parameters of model D are as follows.
[Rated power] 60W
Rated voltage] DC24V
No-load current] 1A
No-load speed] 52rpm
Suitable voltage] 12-24V (26-52rpm)
[Weight] 1.28kg