Features: Brand new and high quality UPS Plus is a new generation of UPS power management module which supports OTA firmware upgraded and supports RTCs onboards. There are two INA219 chip onboards to detect batteries voltage and the voltage output from UPS Plus for RaspberryPi. Suitable for RaspberryPi 4B/3B+/3B Support automatic startup function of incoming call and battery temperature detection, support Pythonprogramming of raspberry pie to obtain current and voltage information, which is convenient for users to DIY their own uninterruptible power supply. Support USB Type-C fast charging and MicroUSB charging port charging. Specifications: Material:PCB Package Includes: 1 Set Power Supply Module note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.