Alarm Manufacturers - Changzhou Boyun Communication Technology Co., Ltd.

sell emergency calling system

Detailed Product Description Calling systemCalling system is a device which is connected with telephone line.The users press the green or red button for help, when they meet the emergency conditions or need help. The device is suitable for families which have elders, patients and it can...

sell emergency calling system

Detailed Product Description Calling systemCalling system is a device which is connected with telephone line.The users press the green or red button for help, when they meet the emergency conditions or need help. The device is suitable for families which have elders, patients and it can...

K3 auto dial alarm

Detailed Product Description Feature1. Anti-interfere function. When someone interferes it with same frequency, the control unit will activate siren to alarm.2. Support anti-decode with remote...

sell emergency calling system

Detailed Product Description Calling systemCalling system is a device which is connected with telephone line.The users press the green or red button for help, when they meet the emergency conditions or need help. The device is suitable for families which have elders, patients and it can...

sell emergency calling system

Detailed Product Description Calling systemCalling system is a device which is connected with telephone line.The users press the green or red button for help, when they meet the emergency conditions or need help. The device is suitable for families which have elders, patients and it can...