Dual AC power automatic switching module. The module can automatically switch between the two power sources. Simple to use and widely used. Made of high-quality materials, it is firm and stable to use. Small and lightweight, it does not take up space and can be easily taken away. Durable and long service life. Product Name: AC Power Automatic Switch Voltage Input: Main Power 85V-240V Voltage Input: Backup Power AC 85V-240V Load Current: Max 10A color:Blue Material:PCB size:70mm x 47mm x 18mm Package Contents: 1 x Power Switch Module Only the above package content, other products are not included. Note: Light shooting 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.