Durable clear polycarbonate. Faceplate available in bronze, polished and satin aluminum. Surface mounts without visible screws.
Power Required: 8-16 Volts AC or 6-12 Volts DC. Each doorbell button style is available in: Amber, Red, Blue, Green or White. All spOre doorbell buttons work with standard doorbell systems. LED illumination consumes little power and has very long life (about 11 years).
Tom Gordon and Ted Pierson, 2002.