Signature Series 418MHz Doorbell Transmitter DB41-SS Manufacturer: Silent Call Notifies any Signature Series 418MHz Receiver (not included) to let you know someone is ringing your doorbellAttaches to digital doorbell systems by wiring to the doorbell chime unit and activates by the signal that operates the doorbell chimeOperates on two (2) AA batteries (included)5-Year MFR Limited Warranty SKU: 921423 Weight: Length: Width: Height: Availability: List Price:: $90.95 Our Price: $89.90 You Save: $1.05 (1%) Availability: Usually ships within 1 to 2 business days Qty: Add to cart Add to wishlist Email a friend Ask question about product Details The Silent Call Signature Series 418MHz Doorbell Transmitter DB41-SS lets you know someone is ringing your doorbell. Product tags Doorbell (28)