Add additional wireless doorbell push buttons to your WP180USL Wireless Doorbell with Flashing Strobe for doorbell notification at additional doors. Different frequency channels can be set up so multiple chimes can be used in the same building without interference with each other. Push button doorbell uses a 3V battery (included).

Features:

• Range up to 125 feet
• Selectable channels
• Can add additional door chimes
• UL Listed

Please note that the WP180USL model and additional doorbells are not compatible with the previous model, WC180.