The RC-20U is the reciever / chime for the RCTD-20U (Wireless 2000). The device is powered by a AC adaptor (included), and up to nine TD-20U's can be added to one RC-20U receiver. (With an additional three added to a latching zone) In addition, the RC-20U includes a Form-C relay for activating additional devices such as lights, a camera, door lock, ect.

***Products are backwards compatible and will work with the TC-10U & TD-10U Series***

Features:

• Accepts 9 transmitters, identifies each group of three with a different chime tone
• Operates with 9VDC adaptor (included)
• Wall mount or table mount design
• Form C relay for activating other devices (50V AC 1A max. or 24V DC 1A max.) with adjustable output duration