M5Stack M132 DinBase Interface Module is a 5cm x 5cm series base specially designed for “DinRail” rail fixing. This module comes with a built-in 500mAh lithium battery and is suitable for M5Core. The M132 DinBase module offers an onboard power physical switch to shut down external power and battery completely and reserved Port B and Port C interfaces. This module also provides Lego mounting holes on the lower side for easy fixing, and the bottom supports standard 35mm Dinrails. The M132 module features a 1x12P 2.54 interface, a power switch, four plug-in ears, and proto pads reserved on the internal PCB for easy DIY. This module operates at a 9V to 24V supply voltage range and 54mm x 54mm x 19mm dimensions. The M132 module is ideally used in DIY and scenarios where hosts such as M5Core are powered separately.