Sell SV-RL-0510(2.4GHz/1.8GHz Wireless Digital Two-way Doorphone)

SV-RL-0510(2.4GHz/1.8GHz Wireless Digital Two-way Doorphone)
1. Frequency :2.4GHz and 1.8GHz for option .

2. Wireless cryptographic door release technique, one million codes to avoid the mistakes.

3. Wireless two-way intercommunication between indoor unit and outdoor unit.

4. Digital signal transmission promises chear voice, anti-interference and private talking.

5. Working distance is around 150m.

6. Waterproof(IP44) outdoor unit .

7. Raincover for the outdoor unit is available.

8. Working status indication.

9. AC power supply