Features: Product Specificationsecond: Eight channel transmit component proposals potential preferences of 5V, 12V, and 24V,ideal for various applications. Wide Agreement: This transmit component is consistent smart home devices. Premium Standaread: Constructed with excellent PCB and metal materials. Easy Installatparticlemail: Highlighting associations and LED indicators for each channel. Permanent and Safemail: Hard wearing optocoupler isolation and assist for high/low stage triggering, the component enhances structure security and stability during action. Specifications: Substancemail: PCB, Metal Product Sizemail: 249.5x69.5mm Product Weigheight: 335g Working potential selectparticlemail: 5V/12V/24V Square current: 5mA Greatest working current: 190mA/80mA/50mA Triggering approachelhello: low stage initiate, high stage initiate Load potentiall: DIRECT CURRENT 30V 250V Package Includes: 8-channel module note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!