Universal PWM Relay Switch Remote Control for Mini Aircraft RC Car Boat Model H
Here PWM is the servo signal, can turn the servo, you can use this device. Relay coil power consumption of about 140mW. White Relay Size: 10x6.5x5.4 (mm). E27 Screw Cap Socket Light Bulb Holder Fitting Light Lamp Stand/Base 2/4Pcs a.