Miniature key ring transmitter, black case, white button, key ring supplied, test/operate LED, 256 selectable codes. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Features: Because physical contact is not required, proximity card readers can read card data through common building materials like: concrete, brick, stone, drywall, plaster, glass, wood, plastic...in fact, through anything but metal. Proximity card readers are maintenance-free. There are no parts to wear out or adjust. Passive card technology provides an unlimited number of "card reads" with no battery…