Consumer Level Button Hole DVR Cameras with Recorders and monitors

Super HAD CCD is a trademark of Sony corporation
The super HAD CCD is a version of Sony's high performance CCD HAD (hole- accumulation diode) sensor with sharply improved sensitivity by the incorporation of a new semiconductor technology developed by Sony corporation
Truly astonishing
The mini-camera can be used as a typical high-resolution pinhole camera or the included button and screw lens covers make it ideal for covert surveillance
Button kit comes with 2 different size button lens and 4 extra matching dummy buttons (in each size)
The Philips head screw lens comes with 2 matching "dummy" screws

Transmission range is up to 300~500m (L.O.S.);
* Convenient & safe body-worn hidden gadgets, nobody will aware mini camera in the button!
* All are portable with built-in li-battery;
* Wireless transmission provides real time video on 3.5" DVR screen to view result as you record,never miss a chance!
*Adjustable focus up to users' choice;
*3.5"TFT LCD screen with up to 800X600 resolution
*Video Format: Mpeg-4,AVI (800 or 320 @ 30fps) MP4,3GP
*Memory: built-in flash :2GB~8GB; support SD card 1GB to 16GB
*420TV line for clear image;
*Night vision available
**Encrypted frequency available to avoid interference from Wifi equipment, WLAN network, bluetooth equipments;and other general 2.4GHz equipments can't receive your signal,protect privacy well.

Specification:

Frequency:CH1=2414MHz;CH2=2432MHz;CH3=2450MHz

audio subcarrier frequency: 6.0MHz;6.5MHz
Antenna: Built-in 2.4G antenna
RF Output power: 10mW
Transmitting Range: 300 feet in line of sight
Sensor: 1/3CMOS color
Resolution
NTSC:510X490;
PAL:420TV line
Horizontal resolution
NTSC:420 TV line;
PAL:420 TV line
Minimum illumination: 0.05lux
Built-in mic.: 55dB high sensitivity
View angle: 60 degree
Li-battery capacity: 220mAh
Continuous operating time: 2 hours
Charge time: 30 mins
Operating voltage: DC 5V
Operating current: 110mA
Color: black
Advantages:

Completely wireless,all built-in(like antenna,transmitter,rechargeable li-battery).
Tiny pinhole camera lens safely hidden inside a normal button,which innocently button up on your shirt.Nothing can be found.
Long continuous operating time is up to 2 hours.
Night vision available(0.05lux for the minimum illumination).It will change into black & white image when under dark light.
420 TV line high resolution,good quality image.
Full system available (both NTSC and PAL system).
It has a lock to fix the lens when you got the best focus.

The only DVR in its class offering 640 x 480 pixels resolution at 30fps
4 hours high resolution recording on 4GB mini SD card
45 hours low resolution recording on 4GB mini SD card
New technology high resolution (420 LOR) color CMOS button/screw camera
Output power for button/screw camera and others
Kit includes complete 4 button/screw camera set
AV/in (RCA) cable for use with any other cameras
Time/date on screen overlay

The mini pinhole camera is a new generation COLO CMOS.
The video quality is truly astonishing.
The mini-camera can be used as a typical high-resolution pinhole camera
or the included button and screw lens covera make it ideal for covert
surveillance.Button kit comes with 3 different size button lens and 4
extra matching dummy buttons(in each size).The Philips head screw lens
comes with 3 matching "dummy" screw.