Lenel indestructible keypads offer the ultimate in strength and durability where PIN entry and maximum security are required. With a tamperproof keypad and a weatherproof, solid brushed aluminum casing, Lenel indestructible keypads are designed to function dependably even in harsh climates or high-risk environments. The keypads are compliant with the Americans with Disabilities Act ADA guidelines. The LNL-826S121NN 12-position keypad is configured to have two keys across by six keys down, and is intended for use in mullion mounting applications. It features an eight-bit word data output format, 12 to 28 volts DC power, 30 mA current draw, and red and green status LEDs. The keypad uses solid state piezo sounder technology to provide audible feedback. A natural aluminum color is standard, but other colors are also available upon request.