monitor security system
99 each and you can order glass break detectors for $34. 99 each, smoke detectors for $29. 99 each, and water sensors for $19. 99 each. The LifeShield Essentials system goes for $199. 99 and comes with a base station, a keypad, a keychain fob, four door/window sensors, a motion sensor, a fire safety sensor, and an Asus Memo Pad 7 tablet with LifeShield software that you can use to control everything.