Product DescriptionThe AYC-Q64B offers programmable PIN & Proximity transmission formats, LED Control and tamper detection, providing extra security and flexibility. Come rain or shine, this unit can handle the challenge, with its extremely-strong metallic housing and waterproof enclosure for maximum durability. The backlit keypad, with its auto-dimming options is clearly visible day or night, making these units ideal for residential and commercial applications. AYC-Q64B provides a most effective solution for indoor and outdoor access systems where PIN & proximity credentials are required. This attractive looking yet robust model features unique shiny blue illuminated metal keys on a metallic, epoxy filled, sealed housing.