Manufacturer Yale ASSA ABLOY Model SDA16-1 Dimensions 8.3″L x 3.1″W x 2.0″D (210mm L x 79mm W x 52mm D) Handing Non-Handed Operating Temperature Conformally coated electronics for weather resistance Power Unit powered by 9V battery Sound Pressure Piezo horn blasts at 105+ decibels if the door is used with out proper authorization Warranty 1 Year Warranty Weight 2.5000