Doorbell, 7in Color TFT LCD DualWay Door Intercom HandsFree Intercom for Home Security Systems
par SALALIS
- ★★★★★【Simple Operation】Use a plug‑in connector and a DIP switcher for quick installation. Flexible cable connection mode, support input/output, branch and mixed modes.With integrated power supply, multi‑function and simple operation., ★★★★★【7in color TFT LCD】Durable aluminum alloy outdoor unit has rainwater and oxidation resistance. Night sight with white LED. 7in color TFT LCD is radiation‑free, low power consumption and high definition., ★★★★★【Hands‑free Intercom】Monitor the outside of the door. Volume, brightness and contrast are adjustable. Mute indoor intercom function. Double intercom between indoor machines. Hands‑free intercom., ★★★★★【 key unlock】When outside the door, use key chain to unlock the door. This item comes with 5 key rings (including added and deleted key rings). In addition, if you need more key rings, you can add the number of key rings according to the need., ★★★★★【2‑wire system】A 2‑wire system requires only two lines, the power supply, audio, video and control signals, all of which are transmitted through a 2‑wire non‑ central power supply. Unlock 2 locks simultaneously.