3.5 inch Wireless Two Way Intercom Video Door Phone/Doorbell , QL video doorbell

1. Design: fashion European style, suitable to all various buildings;
2. Built-in antenna;
3. Wide view angle;
4. Color 3.5" TFT LCD to achieve high resolution;
5. 0.3Mega pixel camera lens for apartment door bell system ;
6. 25fps high-speed image transmission
7. Clear night vision: picture shooting in low-illumination environment with IR light;
8. Ringing tones: 12 options selectable;
9. Sensitive touch keys: simple and easy operation;
10. Camera's built-in PIR sensor takes photos of approaching visitors;
11. Option one-way or 2-way communication;
12. 45 days long standby duration of high-capacity rechargeable lithium battery after fully charged;
13. Battery indicator on the screen;
14. Internal memory, pictures capturing Max. 100 pieces, automatic cycle;
15. Charging through USB cable for Wireless Video Door Phone ;
16. Multi-function kickstand and movable monitor;
17. Support to 3 indoor monitors Max. for different rooms;
18. Long range transmission range: 600 meters in open space;
19. 2.4Ghz public frequency; range: 2402-2483.5MHZ20;
20. Automatic frequency hopping (AFT) technology: communication and Auto-Sync frequency generated randomly.  

21.Outdoor unit with rainproof,not only water proofing but also tamper alarming.