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 Baby Monitor: 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: Night Vision (Effective range: 3m) Built-in rechargeable Li-battery in camera Rechargeable Li-battery in receiver Built-in microphone for audio monitoring 4 channels optional to avoid possible interference Up to 100m (330ft. ) transmission range in open space Lens Specification: GENERAL Transmission Frequency ISM 2, 400~2, 483 MHz Transmission Power: 10mW/CE; 2mW/FCC Operating Frequency: 2414MHz; 2432MHz; 2450MHz; 2468MHz Unobstructed Effective Range: 100m(Min. ) Modulation Mode: FM Operating Temperature: -10 ~ +50(Degree C) / +14~ +122(Degree F) Storage Temperature: -20 ~ +60(Degree C) / -4 ~ +140(Degree F) Operating Humidity: ≤85%RH CAMERA Imaging Sensor: Type CMOS Picture Total Pixels: PAL: 628x582 Pixels; NTSC: 510x492 Pixels Horizontal Resolution 380 TV Lines View Angle PAL: 60; NTSC: 40 Minimum Illumination: 0Lux Night Vision Range: 3m Li-battery Charge Time: 2hours Li-battery Working Time: 5hours(IR OFF)/2hours(IR ON) BandWidth: 18M Power Supply: DC +5V Dimensions(Diameterx D): 30*87 mm Weight: 125g 4GB SD Memory Video REC Time: 628x 582 /+ -3.5-4.5Hour \510x492/+ -13 Hour 4GB SD Memory Voice REC Time: + -45 Hour DVR Specification: Item Specification ReceiverfrequencyCH1: 2414MHz\CH2: 2432MHz\CH3: 2450MHz\CH4: 2468MHz\ Sensitivity-90dBm RecordingAudio: WAV, Samples per second: 64KHz; AV recording: MPEG4, definition: 640x 480\32x240\160x 128 Media playerLCD2.5 TFT LCD, 960x 234 high definition MovieMPEG4\AVI\ASF AudioMP3\WAV PictureSupport JPEG picture RecordingAudio: WAV, Samples per second: 64KHz; AV recording: MPEG4, definition: 640x 480\320x 240\160x 128 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 106x Wide72x High22 WeightNet receiver: 110g Battery: 40g Working temperature0~50 C 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 CMOS lens 1PC 2) Helmet Strap 1PC 3) DC-5V Energy storage Li-ion Battery (include Power adapter 1set) 1PC 4) Waterproof/Moistureproof/Quakeproof/Dustproof aluminum alloy apparatus suitcase 1PC