აღწერა
- Built-in high quality voice chip
- The operation of voice prompts
- Dual antenna transceiver
- Built-in rechargeable battery
- SMT manufacture technology, high stability
- Comes with 2 wired zones, short circuit alarm or open alarm optional
- RF signal: 433MHz
- ABS plastic material
- Max support 100pcs wireless detectors and 20pcs remote control.
