Magnetic Door Contact (Model RS2 reed switch N/C & Magnet)

Model DA2TAC is a wired non-battery, DC powered door contact sensor and magnet set, used for doors or entries that are always closed, with the added feature, of sending a wireless signal “only once while the door is opened and not again, until the door is secured and reopened. The wireless signal is sent to a Model DARD (receiver sounder), over 100 feet away.

Mr Chime offers the “Model DA2T”, Battery operated unit, if power is not available at the entry