9g metal tooth digital servo specification:

Stall torque: 1.1kgf.cm at 4.8V; 1.4kgf.cm at 6V.

No-load speed: 0.11s/60° at 4.8V; 0.09s/60° at 6V.

Product weight: 13.5g (0.47oz).

Dimensions: 23*12*27.3mm (0.92*0.48*1.07inch).

Voltage: 4.8V~6VDC.  

Operating Frequency: 1520μs / 333Hz.

Motor Type: Iron-core Motor.

Gear Type: Metal Gear.

17g metal tooth digital servo specification:

Blocking torque: 1.5kgf.cm at 4.8V; 1.8kgf.cm at 6V.

No-load speed: 0.23s/60° at 4.8V; 0.20s/60° at 6V.

Product weight: 21g (0.74oz).

Overall Dimension: 28*13.2*29.6mm 

Operating Voltage: 4.8V~6VDC.

Operating Frequency: 1520μs / 333Hz.

Motor Type: DC Motor; Gear Type: Metal Gear

Gear Type: Metal Gear

25g metal tooth digital servo specification:

Blocking torque: 2.2kgf.cm at 4.8V; 3kgf.cm at 6V.

No-load speed: 0.08s/60° at 4.8V; 0.06s/60° at 6V.

Product weight: 21g(1.05oz).

Overall Dimension: 36*15.4*31.1mm (1.41*0.60*1.22 inch).

Operating Voltage: 4.8V~6VDC.

Operating Frequency: 1520μs / 333Hz.

Motor Type: Hollow Cup Motor.

Gear Type: Metal Gear.

Bearing type: 2BB.

If using a voltage regulator, please maintain the voltage at 4.8V~6VDC.

Package Includes:

1 * Metal tooth servo