Specification :

http://www.wholesalespycams.com/24ghz-wireless-button-camera-p-89.html

Desc ription:
Highlights

This wireless button camera contain the latest in miniaturized wireless wide technology-squeezing a full color video camera,microphone,power sourcea 2.4GHz transmitter inside! Just press the power switch;it begins transmitting high quality color video frequency out!
Specification:

Advantages:
1)Completely wireless,all built-in(like antenna,transmitter,rechargeable li-battery).
2)Tiny pinhole camera lens safely hidden inside a normal button,which innocently button up on your shirt.Nothing can be found.
3)Long continuous operating time is up to 2 hours.
4)Night vision available(0.05lux for the minimum illumination).It will change into black & white image when under dark light.
5)420 TV line high resolution,good quality image.
6)Full system available (both NTSCPAL system).
7)It has a lock to fix the lens when you got the best focus.
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
Package:
1)2.4Ghz Wireless Spy Camera Button X 1
2)AC Adapter X1
3)Back-up buttons X4
4)Lock for fix focus X1