Description: -Q01 is an automatic switching module for dual AC power supplies. The module can automatically switch between the two power sources. Features: AC power supply. input. Automatic power switch. Products with main power indicator Product name: Dual-channel AC automatic switching power supply module Note: 1. When the main power supply is cut off, the module automatically switches to the backup power supply; after the main power supply is restored, the module automatically switches to the main power supply. 2. When switching, the module will shut down for about ten milliseconds. 3. When the voltage of the output power supply is normal, it is equal to the voltage of the input power supply. Material:plastic colour:Blue Package Contents: 1 Supply Automatic Switching Module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.