Features: The SPH0645LM4H digital microphone module delivers high sensitivity MEMS audios capture with low power consumption (600uA) and 24bit I2S interfaces, ideal for Raspberry projects requiring precise sound detection. Featuring RF shieldings, omnidirectional sound pickup, this sensors module ensures clearly digital audios output with minimal noise interferences in compactly, compatible designs. Design for engineers, maker, and students, this module simplifies audios integration for voice activated systems, devices, and robotics with its plugs and play compatibility. Ideal for intelligent home automation, and portable audios recorders, its lightweight build and 1.6-3.6V operation suit battery power supply or space limited environment. With double microphone support and mini height mounting, this RF shielded sensors excels in real time sound processing for wearables, drones, and industrial monitoring systems. Specifications: Component:Plastic Size:Approx.15.6x11.2mm/0.61x0.44inch Interfaces Type: I2S interfaces Working voltages: 1.6V-3.6V Option Type:1pc,3pcs; Model:GY-SPH0645LM4H Applicable scenario:Voice-controlled equipment Package Includes: Package A 1pc SPH0645 Digital Microphone Sensors Module Package A 3pcs SPH0645 Digital Microphone Sensors Module note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.