2.4G all-digital frequency 3.5 inch colorful LCD Wireless Video DoorPhone for apartment system PY-3501B

Specifications 1.3.5 inch TFT LCD screen .

2. wireless video door phone intercom system

3. Effective range would be in free field 200 meters

  2.4G all-digital frequency 3.5 inch colorful LCD Wireless Video DoorPhone for apartment system PY-3501B   Product Description   The product can be used to replace the traditional peephole, or be installed in the door after the hole is made.   The indoor unit can be installed on various kinds of doors (beside the door), which shows the signal strength and can be used freely in any place where there are stable signals. It can be hanged not only on the wall or wall cabinet, but also on the desk, end table or dinning table.   The out-door unit can be easily connected with the electric lock, enjoying the function of power saving and unlocking. All the above are wireless connections, can be simply installed, and conveniently used. It makes visual intercom and one-press unlocking become possible. By using it, the users do not need to run to the door to open it directly.   Functional Features   (1) It has 2.4G alldigital frequency hopping and encryption technique, whose unobstructed  effective range is 200 meter, with strong anti-interference ability;   (2) The outdoor unit has clear infrared night vision, which could monitor and shoot the images in dark; (3) 3.5 inch colorful LCD is used in the indoor unit to display images; (4) The outdoor unit is full-touch waterproof design; (5) Hands-free calling and intercom functions are equipped and the electric lock can be remotely controlled;  (6) There are 12 built-in chord music ringtone, and the ringtone and volume can be selected; (7) The indoor unit can display date and time; (8) The indoor unit can automatically take photos with time, and store about 100 photos; (9) The brightness, sound volume of calling and ringtone of the indoor unit can be adjusted; (10) The indoor and outdoor both use the BL-5J lithium battery which is convenient to buy. (11) The standby time of indoor unit is one to two months, and can also work with power plugged in. (12) Outdoor controller can unlock under the condition of both powered on and off.   Product display: