Features: With a wide range- of power supply voltage- (3.3-30V) and made from durable ABS material, this module is built- to last. Ideal- for DIY enthusiasts, engineers, and hobbyists who want to add advanced speed control to their projects. Use it in various applications such as robotics-, automation, and motor control to achieve accurate and reliable speed control. Get-ready to take your IoT-projects to the next level with the ZK PP4KPWM Pulse Signal Generator Speed Control Module. The ZK PP4KPWM Pulse Signal Generator Speed Control Module is the perfect solution for precise speed control in your IoT-projects. Specifications: Material: ABS Voltage-: 3.3-30V Size: As Shown Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x ZK-PP4K PWM Pulse Generator