The most common entry point of burglars is logically unsecured doors and windows. Along with using smart home door locks, window alarms and sensors are a great way to deter break-ins and damage or theft in your home. When a burglar climbs through a window in your home a smart window alarm or sensor can do anything from triggering a siren, turning on the lights, alerting the authorities, or sending an alert to your phone. Check out our recommendations for the best smart home window alarms & sensors.