Features: Double Channel AC Module enables simultaneous control of two lighting circuits, featuring 3.3V/5V microcontroller compatibility and optocoupler isolation for projects. Engineered with independent output channel, precise PWM signal processing, and metal construction for durability performances in voltages sensitive environment. Ideal for electronics engineers, intelligent home developers, and DIY enthusiasts creating automateds lighting systems or base energy management solution. Perfectly integrates into industrial control panel, stage lighting setups, and residential intelligent dimmers requiring isolated load regulation and brightness customization. AC Light Dimmer Module for PWM control, 2Channel, 3.3V/5V logics, AC 50/60hz, 220V/110V Specifications: Component:Plastic+Metal Power:up to 220V (5A~10A) AC frequency:50/60Hz triacs:BTA16 — 600B Isolation:Optocoupler logics:3.3V/5V 0 point:logics level Modulation (DIM/PSM):logics level ON/OFF triacs Signal current:>10mA Package Includes: 1pc AC Light Dimmer Module note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.