Key Features: <br />1) Video Resolution: 720 x 480 ・Video Format: AVI ・Video Compression Format:M-JPEG ・Video Frame Rate: 25/30fps ・Picture Format: JPG ・Picture Resolution: 1280x960 <br />2) Real-time AV Recording ・Microphone Built-in ・Sound Recording ・Snapshot・Minimum Illumination:20 Lux ・USB Port:Mini USB <br />3) Rechargeable Lithium Polymer Battery Built-in ・40min Operating Battery Life Time ・Charge Voltage: DC 5V ・Battery Capacity:200mAh <br />4) It will take up to 2 hours to obtain a full charge<br />5) Support 16GB Micro SD Card in Max <br />6) Operating Temperature:0-40  ・Operating Humility:15-85%RH <br />7) Product Size: 60x22x10mm ・Product Weight: 17g <br /><br /> Spy Camera : Real-time Audio and Video Recording ・Microphone Built-in・ Photo taking function・Sound Recording・ Support 16GB Micro SD Card in Max ・This fully functional Spy Button Camera is a masterpiece of engineering・ worthy of any special agent.<br /> Small Camera : This camera has super mini size 60x22x10mm .This is one of the coolest audio recorders ever!It is a lightweight・ smooth electronic gadget. You have total control over all recording without anyone even knowing you have a camera.<br /> Video Camera : The camera will save video files automatically every 10 minutes. Video format: avi; Video resolution: 720 x 480<br /> Audio Camera : This camera support audio recording alone・ so you can use it as a voice recorder.<br /> Battery Operated : Rechargeable Battery Built-in which can make a continuous video about 40 minutes if it is fully charged. It will take up to 2 hours to obtain a full charge.<br /><br /><br />Mini HD Spy DVR Hidden Camera 2 Meter Line USB Cable Buttons Video Recorder Cam cam5-31-1