Exam cheating spy wireless pen camera and USB video receiver

2.4GHz wireless pen camera with USB DVR Receiver, ~100m range

 Spy student wireless camera, spy video transmission,spy camera

New wireless image and audio transmission kit --- pen camera and USB receiver. High definition watching camera for small size font (8pt, 10pt).

1. Wireless receive and record A/V signal from wireless pen camera (up to 4 cameras, auto-scan)
2. Seprated wireless pen camera can be placed anywhere you like, or just hold it at hand for writing;
3. Mini USB receiver, looks just like a U-disk in computer. Nobody will aware it's a monitor!
4. Motion detection: If any intruder, it alarms with sound, and at same time  capture picture saving in hard disk or send e-mail to long-range PC
5. High speed & high resolution real time video record, 720X576 pix@ 30fps
6. High resolution image capture (1440X1152pix)
7. Support MSN Messenger & Skype for long-range live video, like a web camera
8. Supports Windows 2000/XP/Vista etc.
9. USB 2.0 output to PC, transmission rate up to 480Mps
10. 4 channels available to avoid possible interference
11. 100m transmission distance without blocks
12. Very low price, which helps you to win market easily!

Specification:

PEN Camera:

When this pen is being held in hand, it's easily to focus on the small words on paper, so the wireless transmission image is clear enough to be seen on computer monitor, even though the font size is as small as 8pt.

 
Transmission Frequency:ISM 2,400MHz~ 2,483MHz CH1 CH3
Audio subcarrier frequency: 6.0Mhz
Antenna: Built-in 2.4G antenna
Transmitting Range: 300 feet in line of sight
CMOS Total Pixels: 656×492(NTSC)
Horizontal resolution: 420TV line
Frame rate: 30FPS
Built-in mic.: 55dB high sensitivity
View Angle: 62°
Camera lens focus:Beyond 3m, vicinity 10cm
Minimum Illumination: 0.1 Lux / F1.5
Transmission Power: 10mW
Battery Performance: Li-ion Battery 280 MAH
Working Time: 2.5 hours
Charge time: 1 hour
Operating voltage: DC 5V
Operating current: 105MA
Color: Golden/Silver
Dimensions( LXD): 160X15mm
Weight: 40g

Wireless USB receiver:
Power Supply:  Provided by USB Port
Consumption Current (Max.): 180mA
Receiving Frequency: ISM 2,400MHz~2,483MHz
Input VSWR: 2:1
Demodulation Type: FM
Intermediate Frequency: 480MHz
Frequency Stabilization: +/- 100 ppm
Local Leakage at RF Input Terminal: <=-55 dBm
Receiving Sensitivity: <= -85 dBm
Video Output Signal Impedance: 75 ohm
Video Output Signal Level: 1.0 V +/- 0.15 Vpp
Video Output Signal Polarity: Negative
Video S/N Ratio: 38dB
Audio Output Signal Impedance: 600 ohm
Audio Output Signal Level: 1.25 V +/- 0.25 Vpp / 1 kHz
Audio Output Frequency Range: 250 Hz ~ 10 kHz
Left Subcarrier Frequency: 6.0 MHz
Unobstructed Effective Range: 100 m (Min.)
Dimensions(WxLxH): 10X2.8X1.5cm (Excluding Antenna)
Weight : 41 g