Rearview Mirror Car Dash Cam Recorder | Have an extra eye on the road with this rearview mirror car dash camera recorder. Automatically activates when you put your car in reverse gear. Digital indication on LED Display shows the distance and positions of obstacles. Integrated beeper gives you an immediate alert. Universal sizing means a perfect fit for all cars. Clip directly onto original rear view mirror. Supply Voltage: 10V~15V | Ultrasonic Frequency: 40 KHZ | Detection Distance: 1-5 feet | Comes with 1 x Car DVR (Rear View Mirror), 1 x Rear View Back Up Camera, 1 x TF Card, 1 x TF Card Reader, 1 x USB Car Charger with Right Angle Adapter, and 1 x User Manual. Motion Detection Mode and Smart Video Recording.