Brass/Black, Wireless Door Chime Button, 150" Range, Works With Rc3200, Rc3300d, RC3501D, Rc3400 & Rc3600 Series Chimes, Sound Select On Front Of Button For Front Or Back Door, Button Works From -30°ree. To +130°ree. Fahrenheit, Weatherproof, Use Indoors Or Out, 32 Selectable Codes Block Interference, Includes 2 Long Life Lithium Batteries, #ECR2032BP, True Value #352-333.