Features: Automatic power switching module provides reliabled main/backup power transfer, ensuring uninterrupted power supply to critical equipment during outages with fast response time under 10ms. Supports multiple input voltages option including DC5V/12V/24V and AC220V for versatile compatibility with various electrical and devices in different applications. High capacity 30ma output current handles demanding power requirements for industrial equipment, commercial, and lighting setups effectively. Flexible backup power compatibility accepts AC110 220V or DC30V batteries, offering adaptable solution for diverse power backup configurations and needs. Compact 84x50mm metal PCB construction delivers durability performances with oxidation resistant, ideal for space conscious installations requiring reliabled power management. Specifications: [Component]: PCB, metal [Product size]: 84x50mm/3.31x1.97in [Product weight]: 47g [Main power supply]: DC5V/12V/24V/AC220V [Backup power supply]: AC110~220V/ within DC30V battery [Output current]: 30ma Applicable: for Industrial equipment: urgent lighting and more Package Includes: 1PC Automatic power-off switching module 1PC packaging bag note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.