It is a car kamera, using advanced technology, providing peace of mind while traveling, while bringing some joy to your life. but very practical to use. Microphone frequency band: 100 Hz - 10 kHz - Color: black. - Material: plastic. - Size: approximately ,18X4,37X3,10cm / 3,61X1,72X1,22 inches. -Automatic and continuous loop recording, efficient use of disk space. -Night vision function, can also record current events during the night. -Mini and hidden design does not block the view from the driver. -Prevent eavesdropping, video recording, fraud and protect your privacy, data and confidential information. -Made of high quality material for long time and durable use. Specification: Photos and videos: Camera 5 million pixels Video recording in 1920x1080P resolution Loop recording 1 minute / 2 minutes / 3 minutes Compression method.264 JPEG image format Large aperture F1,8 Structure of the body: Combined material Shell ABS PC PP United 6 Photoelectric Lens with Glass Built-in microphone Circumference and temperature: Operating current 180MA-220MA Standby Current 6-12MA Supply voltage 6-25 V Ambient temperature -20 -80 Ambient humidity 15-85% RH Data carrier: Class 10TF card 1 x Driving Recorder Kit