In this AWS Smart Home tutorial, we show you how to quickly and safely replace the batteries in your 2GIG-GB1-345 Glass Break Detector. Learn how to remove the device from its mounting bracket, locate the battery compartment, and install the correct replacement batteries to restore full sensor performance. Whether you’re responding to a low-battery alert or performing routine maintenance, this step-by-step guide ensures your home’s security system stays reliable and fully operational. Keep your smart home protected with simple DIY maintenance made easy by AWS Smart Home.