| Model | QA12 |
| Power Source | 220V AC, 50/60Hz others also available |
| Battery Capacity | 24V / 4Ah |
| # of heat detector connected | No limit *Except electronic-type |
| # of smoke detector connected | 30/zone *Horing Lih manufactured |
| End of Line Resistor | 10KΩ *One per zone |
| Material | 1.2mm steel plate |
| Color | Pearl gray *Others also available |
| Dimensions | 10 zones--450 mm (H) x 330 mm(W) x 130 mm(D) |
| 20 zones--550 mm (H) x 330 mm(W) x 130 mm(D) | |
| 30 zones--680 mm (H) x 380 mm(W) x 150 mm(D) | |
| 40/50 zones--950 mm (H) x 420 mm(W) x 150 mm(D) | |
| 60~80 zones--1300 mm (H) x 420 mm(W) x 170 mm(D) |