Wide-angel lens & night vision Detection recording integrated with alarm perfectly Heat detective recording Built-in 128M/256M memory.Support SD card of 128M/512M/1GB Built-in Lithium battery Real-time monitoring and watching Built-in 1/4"CCD camera,420 TV lines Built-in microphone for audio monitoring when recording. With USB port to connect with pc Tiny size for discreet observation & portability Items Data Style NTSC / PAL Imaging sensor 1/4" CCD Horizontal Resolution 420 TV Line View Angle 120? Built-in lens 3.6mm Fisheye Lens S/N Ratio More than 48dB Power Supply DC 5V Consumption Current 250Ma ~550Ma Built-in Battery 4.2V, 1300mAh Recharged time About 4Hours Night Vision Range 10 m Operating Temperature -10C~ +50C/+14C~+122C Storage Temperature -20C~ +60C/+14F~+140F Operation Humidity 85%RH Frame Pal: 25f/s 640x480 Ntsc: 30ft/s 624x420 Update software Support PC port model USB port Video output port RCA Support System Win98, Win2000,Win XP Dimensions(W譊譎) 240?80?0 mm Weight 700 g