Specification:
Imaging sensor: CMOS.
System: PAL/NTSC.
CMOS total pixels: 628 X 582(PAL), 510 X 492(NTSC).
View angle: 62.
Sensitivity: 4.7V/Lux - sec at 5600k.
Transmission frequency: ISM 2,400MHz -  2,483MHz.
Transmission power: 10mW.
Working time 3-4h.
Modulation type: FM.
Power supply: +5V DC.
Battery capacity: 500mAh.
Charge time: 2h.
Unobstructed effective range: 100m.
Color: Silver.
Built-in rechargeable lithium battery at least for 3 hours continuous working.
Built-in microphone.
Exposure time range: 1/60s 12us(NTSC) 1/50s  12.5us(PAL).
AC/DC adapter: +5V(DC). 1000mAh.
Dimensions (W X L X H) CN-502: 25 X 75 X 25mm.