Wall mounted off glass sensors can detect breakage at an average distance of 35 feet in all directions. There are on-glass sensors that are applied directly to glass. Wireless wall mounted is preferred and may be a better option for you. Don't forget that dead bolt locks are a good option. These take a key to open.
How To Make Sure Your Home Is Fully Secure From Break-ins by Steve Strong Monitored systems are best because alarm is answered by security monitoring company which contacts both you and local authorities in the event of an alarm.