Mount wireless visible talkback doorbell 3.5 inches-inch color screen Building intercom Yituo three touch keys

 Product features:
1. Visual intercom function: have a guest come to visit, pressed the doorbell and intercom call freely voice clear, as in the front.
2. Outdoor monitoring function: the door has a strange sound, a click, then be clear at a glance, safeguard.
3. Remote control lock function: family home too late;The weather is too cold outside.In bed don't want to;Don't want to get up in front of the computer;And a click, visible, and the lock automatically.
4. Photo archive functions: master is not at home, have a guest visit.And as long as the light ring the bell, and automatically take pictures stored, master come back free inquiry.Miss any important meetings;
5. Tamper alarm function: if someone the door machine, sabotage, and the house will alarm prompt.

1, using 2.4 G ISM digital public space: 2402-2483.5 MHz.

2, air transfer rate of up to 2 mbit/s, greatly shorten the space transmission time.
3, 16 speech sampling precision, 8 k sampling rate.16 bit DAC audio output, output.
4, full-duplex speech patterns.
5, image data transmission and voice data synchronous transmission.
6, using analog camera, 3.5 -inch display, hd picture.
7, the image adopts MJPEG compression way, one-way wireless can be up to 13 ~ 18 frames per second.
8 16-20 DBM, launch power, receiving sensitivity - 90 - - 90 DBM.
9 clearing, communication distance of 300 meters.
10, indoor machine lithium electricity power supply to 3.7 V, outdoor power supply 5 V, 1 a, the lock used 12 V power supply customer supplied.
11, the AFH adaptive frequency hopping technology, can be Shared with wireless network card and bluetooth devices at the same time 2.4 G band.
12, random generation communication channel and synchronization, then generate 40 bits password.
13, conform to CE/CCC/FCC/R&NTTE/Rosh certification standards.
14, the door machine has three types of lock.
15, the door machine has night vision function.

16, seg handsets available:

1. When working current is 200 ma;

2. The loudest when the current is 240 ma;

3. The working voltage of 3.7 V.

4. Use 3.7 V lithium batteries;

5. 18 DBM transmission power;

6. The receiving sensitivity - 100 DBM for;

7. Language audio sound: 300 hz ~ 3000 hz

8. A hands-free calling patterns, can adjust the volume

The door machine:

Methods: 1. The power supply of 3.7 V lithium batteries, lithium batteries can be charged, machine with 2 pieces of batteries.

2. The working current: the door machine work 200 ma

3. The signal-to-noise ratio: voice > 55 db

4. Working temperature: - 20 ° to + 70 °

5. The communication distance: clearing > 300 m (further set according to customer requirements)

Batteries work.Working time reached more than six months.