* This Split Welcome Alarm Adopt Advanced Wireless Transceiver.
* Strong Microcomputer Control system.
* Power Saving Design.
* High quality Voice Processing Technology.
* Integrate with 32 bit songs.
* Performance is stable and Reliable.
* Receivers and Transmitters be Studied on the wire less code.
* It Integrate with the Function of Welcome, Burglar, doorbell, night light is suit for home, office, store, factory.
* 32 song can be choose.
* integrate with the function of welcome, burglar, doorbell, night light.
* Can add maximum 30pcs accessories(including detectors and remote control).
* 4 Level Volume to adjust.
* Power-saving design.
* Working Current: <1mA.
* Working Temperature: -10 c -50 c.
* Receiving frequency: 433MHz.
* Receiving distance: 150 meter (open area).