RB-421 is a high quality ,low-cost servo for all your mechatronic needs. It comes with a 3-pin power and control cable, even a dozen of hardware as shown.
1.Control System:+Pulse Width Control 1500usec Neutral
2.Operating Voltage:4.8-6.0 Volts
3.Operating Temperature Range:0 to +60 Degree C
4.Operating Speed (4.8V):0.17sec/60° at no load
5.Operating Speed (6.0V):0.40sec/60° at no load
6.Stall Torque:(4.8V):2.9kg·cm ;(6.0V):4.6kg·cm
7.Current Drain (4.8V):7.6mA/idle and 160mA no load operating
8.Current Drain (6.0V):7.9mA/idle and 190mA no load operating
9.Dead Band Width:20usec
10.Connector Wire Length:300mm
11.Dimensions:40.2mm X 20.2mm X 43.2mm
location of each pin
red (+),brown (-), yellow (signal).
2 servos included in this pack