https://www.asmag.com/project/assa_abloy_digital_access_control/index.aspx
Product Info
1 to 3 Guard child lost alarm and Key Finder

1 to 3 Guard child lost alarm and Key Finder

TSWEEN ENTERPRISE CO., LTD.
Region: Taiwan
Update: 03/18/2011
Key Specifications
Model : 041

1 to 3 Guard child lost alarm & Key Finder

Sound / Vibration+Sound / Vibration for selection

There are 1 receiver and 3 transmitters. The model can be for a anti-lost alarm and searching alarm,

Anti-lost function: Put the transmitter on the child, when went far away, the receiver will sound or vibrate;

Searching alarm: when one of the transmitter approached the receiver, the receiver will beep and vibrate that you can easy to find your lost things.

https://www.asmag.com/project/dahua_xinghan_large-scale_ai_models/