2.4GHz all-digital and encrypted wireless peephole viewer for home security & wireless video intercom door phone system

CS335L wireless Peephole Viewer (Original Design & Patents)
2.4GHz all-digital and encryped wireless peephole video door phone with 3.5 inch screen

Introduction:
This wireless peephole door phone system is widely used in apartment, hotel, villas, office, building, etc.
It is made of peephole (outdoor camera unit), indoor monitor and wireless unlock control.
Peephole can install in variable types of doors (the door thickness ranges from 35 to 110mm, the peephole diameter of door ranges from 14 to 38mm); the indoor monitor can be handheld or placed on the table or hang on the wall.
Wireless unlock control unit connects with the e-lock (electric lock)
Wireless connection among such three parts.

Fetures:
1. All-digital and encryped technolgoy applied
2. Effective transmission distance is up to 300 meters
3. Infrared LED lights of peephole can capture image in low-illumination environment
4. Indoor monitor can automatically capture, store and view photo with time showed
5. Rechargeable lithium batteries operated for both the outdoor camera and indoor monitor
6. Peephole supports two work modes: 1) ON 1 :  it save power, works for about one year.  2) ON 2:  it costs more power, works for at about 5 days
7. One peephole support up to 4 indoor monitors simultaneously and vice versa.
8. The system is with Monitor, Unlock, Talk function
9. 16 pieces of chord ringtones optional and volume adjustable
10. Upgrade technology, very clear image and audio

Indoor Monitor Specifications:
- Screen - 3.5 inch TFT LCD monitor
- On Screen Indicators - Monitor State, Lock/Unlock, Talk, Take a Picture, Increase Volume, Decrease Volume, View Last Picture, View Next Picture, Signal Bar, Battery Bar
- Power Source: Internal Battery (3.7V 1350 mAh Rechargeable Li-ion)
- Receiving Frequency - 2.4GHz
- Wireless transmitting range - Up to 300 meters (ideal conditions)
- Onboard Buttons/Indicators - Unlock Door, View Monitor. Talk Button, MIC, LED Indicator, Mini USB Input, Speaker, Volume -/+, Brightness control -/+, Antenna, Power ON/OFF Switch , Work Light, Charge Light
- Dimensions: L:102 x W:134 x H:55 (mm) 

Outdoor Camera (Peephole) Specifications:
- Camera Sensor - CMOS
- Light Source - Six (7) Infrared LED lights
- Power Source - AC Adapter (100-240V) 50/60Hz
- Transmitting Frequency - 2.4GHz
-- Onboard Buttons/Indicators -Microphone, Call button , Speaker, USB interface for charge , Power switch ,  ‘Pairing’ button, Indicating light for low voltage , Indicating light for recharge, Battery lid

Product Notes:

Easy to install and use! 
Both the portable indoor monitor and peephole outdoor camera charges with the adapter included or through a USB connection to your PC computer
Transmitting unit comes with seven infrared LED lights to allow seeing who is at your door even in darkness!
To view captured photos, press and hold down the photo button for 3 seconds, then navigate photos with the arrow keys

Package Includes:
1 x Outdoor camera (peephole)
1 x Power adapter for outdoor camera
1 x Indoor monitor
1 x Power adapter for Indoor monitor
1 x Wireless Unlock Control
2 x Lithium battery
1 x Screws and expansion bolts for the installation of outdoor camera
1 x User manual