Attach alarm unit to door frame and place the signal unit in the door jam. Alarm is activated when the door is opened. Loud enough to be heard anywhere in the home. Requires 9V battery (not included).
thank you for your very prompt response to my emails concerning my order. You give meaning to the word service.
VLV
Fast service, Item was shipped and delivered to my door in less than 2 days!! Item discription was exactly as the item delivered and no hidden charges. Thanks for every thing,