Shield Security Systems Design and Installs Powerful, Easy to Use Security Systems, Security Cameras, Home Automation and Access Control. Our solutions are tailored to your specific needs and we don't require expensive long term contracts. Our Monitoring services start as low as $23 per month and we can usually leverage existing systems to save you even more. Our Smart home services can automatically turn down the thermostat, lock the doors, turn off the lights and arm your security system when you leave the house and then turn everything back when you return. Smart phone apps can view cameras, lock and unlock doors, arm the security system and send alerts when unusual events occur such as a door left open. Call us today.