2.4G Digital Wireless Intercom System Door Bell Wireless Remote Unlock 3 Indoor

IndoorProduct Introduction
Wireless digital voice intercom doorbell,works in 2.4G ISM,
Transmission power is less than 100MW,AFH adaptive FM technology,
with strong communication confidentiality,clear voice,wireless remote unlocking,power saving and far distance communication .The product is suitable for offices,villas,courtyard and unit family places.
Function:
1. 2.4GHz ISM digital frequency hopping and encryption technology, transmission distance up to 300m in free field, robust
anti-interference;
2. Outdoor unit with touch button,power saving,nice design,voice clear and loud;
3. Rainproof, anti-oidation and wear resistance outdoor unit, with rain-proof cover;
4. Indoor unit is with handhold,coupled with equisite base,beautiful and practical.
5. Indoor unit with ringing reminder and flash reminder;
6. Indoor unit with unlocking button,support wireless remote unlock;
7. Both Indoor and outdoor unit use the high capacity lithium-ion rechargeable battery (model: BL-5J);
8. outdoor camera can be powered by adapters or lithium battery;
The standby time is 90 days for battery.
9. Support 2 ways unlock mode: power on unlock or power off unlock
10.One outdoor unit is able to simultaneously match with 3 indoor unit,when there is call from outdoor phones,3 indoor unit ring simultaneously,a indoor unit off-hook,the rest 2 indoor unit will disconnect automatically.
11. #1, #2,#3 indoor unit support internal intercom function,can be used as a Walkie-talkie.