ONLY RECEIVER IN PACKAGE!

Only pair w/Satisure doorbell button or door sensor (not included)!

Each receiver can pair up to 58 transmitters customizing the bell or sensor in your business or home.

No battery required, just plug into the wall socket.

Made of ABS material w/5 volume level control from 20db-110db, 58 ringtones, LED indicator.

Product dimensions: 3.3 x 2.36 x 4.88 in.