1) Wireless camera: 380TV lines Sharp picture display 2) Built-in rechargeable Li-battery in camera 3) For at least 4 hours continuous working 4) Built-in microphone for audio monitoring 5) 4 channels available to avoid interference 6) Min 100m transmission distance without block 7) Suitable for monitoring children and elders, and widely used for theft prevention, after-hours surveillance, home security Camera Specification: Model Parameters Image Sensor 1/3'' inch CMOS Validity Pixel PAL: 628*528/NTSC: 510*492 Demodulation Type: FM Visual Angel 62 ¡ã Minimum illumination 1.5 Lux / F1.5 Transmission Frequency ISM 2400MHz---2483MHz 4CH CH1: 2.414GHz CH2: 2.432GHz CH3: 2.450GHz CH4: 2.468GHz Open Transmission Distance 100M Horizontal Resolution 380 Lines Gain control automatic Modulation mode: 10mW Model Parameters Bandwidth: 18MHz Battery performance: +5V (DC)¡À5%, 700mAh Battery capacity: 500mAh Working time: 4 hours Consumption current: 80mAh Operating humidity: 85% RH Operating temperature: -10C ~ +50C / 14F ~ 122F Storage temperature: -40C ~ -85C / -40F ~ +185F Weight: 60g Size: 66 x 23 x 23 mm Receiver Specification: System PAL / NTSC Receiving Frequency CH1: 2.144Ghz; CH2: 2.432GHz CH3:2.450GHz, CH4:2.468GHz Supply Voltage 5V Current Consumption 250mA-550mA Receiving Sensitivity -88dBm Antenna Input Impedance 75 ohm Video Output Level 1Vp-p Audio Output Level 1Vp-p Music Format MP3,WMA, OGG, AC3 Video Format AVI,MPEG1, MPEG2, MPEG4,VOB, DAT Picture Format Pixel(max), support photo browse Memory Flash memory Sound effect mode Jazz, party, dance, heavy bass, disco,soft, active,hall,flat,rock-and-roll,strong Recording and playing model Normal play, single song repeat, all song repeat Singal-to-noise ratio Higher than 85db Display screen LCD screen, AUO 2.5 Inches Whether convenient for storing Yes Capacity of memory Support the SD card with capacities of 128 /256MB / 512MB / 1GB Supporting languages English,Chinese( Simple Chinese and Traditional one), French, Portuguese, Italian, Spanish, Dutch Battery Specifications 4.2V / 17mA Charging times The charging time of adapter is 4 hours Playing time 2.5 hours for normal play, and 2 hours for playing monitoring image PC interface mode USB2.0 Video outlet RCA Supporting computer systems Win98SE/ ME, WIn2000, Win XP File transmission veocity Bus writing velocity> 6MB/s, reading velocity> 7MB/s ( For operationg system only ) Software update Support Size 72*105*24 (mm) Power supply Built-in lithium battery, power adapter