A special designed and developed professional portable DVR, with excellent and high performance hardware and software. A new professional and high-pixel Mini DVR. It can be popularly used for policemen, bodyguard, journalist, detective, driver, conductor etc. 7 in 1 Functions: 1) Wireless Security DVR can receive & record real-time signals. 2) Display, Review and Audio recording. 3) MP3/MP4 display ( with Built-in Speaker) 4) Digital Photo frame supported. 5) USB driver supported. 6) Card reader supported. 7) high quality CCD lens can be attached to the DVR for real-time video recording and playback. Features: Waterproof Color CCD High resolution, true color Detachable from the cable Audio function optional Day and night type Specifications 4GB SD Memory Video REC Time: 640x480 +-3.5-4.5Hour \320x240/+-13 Hour 4GB SD Memory Voice REC Time: +-45 Hour Lens Specification: Image Sensor: SHARP COLOR CCD Signal System: PAL or NTSC optional Effective Pixels: PAL: 512(H)*582(V)NTSC: 512(H)*492(V) Horizontal Resolution: 420 TVL Minimun Illumination: 0Lux Waterproof: Yes (IP 66) Synchronizing System: Internal synchronization S/N Ratio: 48 dB (AGC-OFF) Shutter Speed: Auto, 1/50(60) -1/100000(second) Video Output: RCA connectors, 1.0Vp-p, 75 Ohm White Balance: Auto Backlight Compensation: Auto Built-in Lens: 3.6 mm Power Supply: DC12V Current Consumption: 110mA Operating Temperature: -30 ~+70 centigrade degrees Material: Alluminium alloy Size: 24 mm*80 mm (diameter*length) Weight: Approx. 90g *Remote control 80cm wired remote (selectable) DVR Specification: Item Specification ReceiverfrequencyCH1: 2414MHz\CH2: 2432MHz\CH3: 2450MHz\CH4: 2468MHz\ Sensitivity-90dBm RecordingAudio: WAV, Samples per second: 64KHz; AV recording: MPEG4, definition: 640x480\320x240\160x128 Media playerLCD2.5 TFT LCD, 960x234 high definition MovieMPEG4\AVI\ASF AudioMP3\WAV PictureSupport JPEG picture RecordingAudio: WAV, Samples per second: 64KHz; AV recording: MPEG4, definition: 640x480\320x240\160x128 OutputAudio: Stereo output, range: 20Hz~20KHz Video: 75Ω/1.0Vp-p, NTSC /PAL InputAudio: Stereo input, range: 20Hz~20KHz Video: 75Ω/1.0Vp-p, NTSC /PAL Earphone output16Ω/40mW, 32Ω/30mW MAX Inbuilt speaker8Ω/0.5W MemoryBuilt-in: 64M Flash SD Card: Support up to 8GB external flash storage (not included) LanguageSimplified Chinese / English Operating systemPCWindows XP InterfaceUSB2.0, USB1.1 File systemFAT32 PoweradapterAC 110V~240V/DC 5V/1A Battery Specification3.7V/1400mAh Li-Battery, Working timeCharging time minimum 3.5 hours Wireless video recording time 3.5 hours Media player 3.5hours Receiver SizeLength 106xWide72xHigh22 WeightNet receiver: 110g Battery: 40g Working temperature0~50C Production Accessories 1) Power adapter 5V/1000mAh 1PC 2) 3.7V/1400mAh Li-Battery 1PC 3) AV cable 1PC 4) USB cable 1PC 5) Headphone 1PC 6) Strap 1PC 7) Manual 1PC Lens Accessories 1) waterproof day and night type Color CCD lens 1PC 2) AV cable 1PC 3) Helmet Strap 1PC 4) DC-12V Energy storage Li-ion Battery (include Power adapter 1set) 1PC 5) Waterproof/Moistureproof/Quakeproof/Dustproof aluminum alloy apparatus suitcase 1PC