Riding a bicycle on the road， you must remember that safety comes first. For the sake of safe riding， you may need a DV. This 1.5" 1080P 2 LED Ambarella Program Waterproof Night Vision Wide Angle DV with SD Card AT81 has the function of waterproofing. It can be installed on your bicycle easily and firmly. With the function of nigh vision， it can be used at night. At the same time， it features high-definition screen resolution， so it can monitor and record your riding clearly. Thanks to its high-technology design， it can help you a lot when you are riding a bicycle. This DV will be your good assistant. Do not hesitate any more.                                    Features            It has the function of waterproofingIt can record high-definition video in the low illuminationHigh-definition screen resolutionMonitor and record your driving clearlyHigh technology and high qualityA good assistant for your drivingPowered by high-capacity battery                                                             Specifications             Sensor     5 Mega CMOS    <br> Video Resolution     1080P / 720P 30FPS    <br> Image Size     5 Mege (2592x1944) / 12Mege (4000x3000)    <br> Lens     130 Degree All Glass Lens    <br> External Memory     TF Card ， Support Up To 64G    <br> Format     JPEG/ MOV    <br> Zoom In/Out     4X    <br> Audio     Built In / External MIC ， Speaker    <br> Screen     1.5 Inch TFT Screen    <br> Port     USB 2.0 / HDMI    <br> Waterproof     30M    <br> Battery     Built-in 800mAh Li-polymer Battery    <br> Color     Black    <br> Dimensions     (7 x 6.3 x 3.5)cm / (2.76 x 2.48 x 1.38)" (L x W x H)    <br> Weight     669 g / 23.6 oz    <br> Lights     4 x IR Lights / 2 x LED Lamps    <br>                                                             Package Includes            1 x DV<br>1 x USB Cable<br>1 x HDMI Cable<br>1 x Waterproof Case<br>1 x Rotatable Base Mount<br>1 x Flat Base Pedestal<br>2 x 3M Pads<br>1 x User Manual<br>1 x Battery<br>1 x AC Charger<br>1 x Handlebar Grip<br>1 x Nylon Strap<br>2 x Rubber Pads<br>