https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
DG502U/M 2-Door Standalone Controller

DG502U/M 2-Door Standalone Controller

CDVI Group
Region: France
Update: 01/08/2009
Key Specifications
- 12-digit metallic keypad keys - 5-digit programmable master code - Audible & Visual feedback (buzzer & LED) - 500 programmable proximity badges - 2 request-to-exit inputs - Tamper switch - 2 relay outputs 3 Amp 125V N/O & N/C contacts - Input voltage: 12VAC/DC - Consumption: 200mA
https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions