| Model | Product description | Structural features | Electronic features | 
| FT5116M | 
                 Standard digital servo + long service life of carbon brush motor + copper gear + overload protection 
                     
                      | 
            15 kg.cm/25T Copper tooth without gear point / 320 degree Potentiometer / speed ratio 300:1 | 
                1: Large angle control (300 degrees: 500-2500us) 2: With out of control protection (power failure signal output) 3: Overheat protection (over 80 ℃, powerless output, programmable adjustment) 4: Overload protection (over 80% of stall torque, lasting for 8 seconds, the torque becomes smaller) 5: High servo update rate (250Hz) 6: Dual mode operation (programmable switching between servo mode and motor mode)  | 
        
| FT5118M | 
                 
                     Standard digital servo + high magnetic torque + steel gear + overload protection + temperature overload protection  | 
            17kg.cm/25T Steel gear without gear point / 320 degree Potentiometer / speed ratio 300:1 | 

