Battery operated. 3 sound options set at chime button, uses two 3 V lithium batteries (installed), different sounds for front and back doors. 32 changeable codes to prevent interference, adjustable volume. Paintable doorbell button for a custom look. Up to 150 ft operating range. Double-sided tape, screws, wall anchor provided. Chime uses 4 alkaline C batteries (not included).
|Includes||:||(2) 3 V Lithium Batteries (Installed), Chime Button, Chime Receiver, Double-Sided Tape, Screws and Wall Anchor|
|Power Source||:||Lithium-Ion Battery|