Pen camera; hidden camera; mini camera; wireless pen camera; small size; video camera; DVR; night vision camera , wireless monitor pen camera night vision camera wireless pen camera wireless DVR monitor Selling Points: *Wireless transmission provides real time video on DVR to view effect as you record; *Near and far focus available for choice (near focus for small text record); *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 *4 channels available to avoid possible interference; *Built-in antenna and rechargeable Li-battery; *100m transmission distance without blocks Specification: Transmission Frequency ISM 2, 400MHz~ 2, 483MHz 4CH* Modulation Mode FM Antenna Type Hidden Unobstructed Effective Range 100m(Without Block) Operating Temperature 0~ +50 / +14~ +122 Storage Temperature -20 ~ +60 / -4 ~ +140 Operating Humidity 85%RH CAMERA 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?? A€”492(NTSC) Horizontal resolution 420TV line Frame rate 30FPS Built-in mic. 55dB high sensitivity View Angle 62??? ° Camera lens focus Beyond3m 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( LX D) 160X15mm Weight 40g RECEIVER Receiving CH CH1~CH4 Sensitivity -92dB LCD 3. 5 inches TFT AV out NTSC / PAL Resolution 640*480 / 320*240 Video compress MPEG-AVI 30fps Play format RM / RMVB / 3GP / MP4 / FLV / AVI / ASF / WMV / DAT / VOB / MPG Frequency 20HZ-20KHz stereo Earphone Output Left: 20MW+ right 20mW [16O](suit to largest volume) Play format MP3 / WMA / AMR / AAC / FLAC / APE Speaker 0. 6W File format JPG/JPEG FLASH 2GB-8GB default 2GB Outer SD card TF card 1GB-16GB( optional purchase) IBM-PC Windows 2000XP & VISTA Port HI-USB 2. 0 Language Multiple languages AC adapter DC 5V 2A Built-in battery Li-battery 1200Mah Wireless record 2. 5 hours Video record 5 hours