Worry to ignore your business 'cause of being busy? When you got BC-202 Visitor Chime, it is not a problem again. It can remind you of the entrance of visitors before coming. Also, it can be used as ALARM.       Combined with one monitor unit TX and one receiver unit RX. TX unit can be placed anywhere expedite forguarding. 2 differen sounds can be set on RX unit. RX unit has a belt buckle. Convenient user to monitor the visitor or burglar anytime. Designed with high sensibility PIR sensor. Operation exactly. Transmissive distance approx. 120feet. Built in Din-Dong Din-Dong and screach alarm two sounds.

RECEIVER SIZE 108mm*66mm*32mm     DETECTOR SIZE 80*59*35mm     RECEIVER WEIGHT 125g     DETECTOR WEIGHT 52g     RECEIVER POWER DC 4.5V Adapter     DETECTOR POWER DC 9V Alkaline battery     RF RANGE 50M(in open site)     DETECTING RANGE 5M     DETECTING ANGLE Horizontally:90 Vertically:52.5