Features Versatile 16-Channel Control fortlessly manage up to 16 servo motors using just 2 pins, enabling complex robotic designs without clutter High-Resolution PWM Output perience precision with 12-bit resolution and adjustable frequency from 40Hz to 1000Hz for smooth motor Features: 1、The module is an excellent and wonderful part for making a robot. 2、Only use two pins, control 16 running PWM output! 3、Input I2C, control 16 PWM output, can control 16 servo motor. 4、You can insert 16 servo motors at a time in 4 sets of 3-pin connectors. 5、Reverse polarity protection input on terminal block. Specification: Features: The module is an excellent and wonderful part for making a robot. Only use two pins, control 16 running PWM output! Input I2C, control 16 PWM output, can control 16 servo motor. You can insert 16 servo motors at a time in 4 sets of 3-pin connectors. Reverse polarity protection input on terminal block. Specification: Frequency:40~1000Hz Channel:16 Resolution:12 bit Voltage: 5V Size:60*25mm/2.36*0.98in Color:Blue Weight: 12g/0.42oz Package List: 1*Module Package List