Product Description1.New Technology-Fatigue driving warning device is an uniquely designed product using pupil identification and detection technology to determine whether the driver is tired, or in an inattentive state, by analyzing the changes in pupil characteristics. Once our device detects fatigue or distracted driving it will immediately send an alarm to alert the driver of their condition2.utomatically Controlled-No Pre activation begins after starting your vehicle. Note:Children and ages under 18 years old,or people who are not with driving licenses are forbidden to use it3.Safe Remider-While driving, the device will calculate, judge, and determine whether the driver is experiencing fatigue through advanced facial recognition, eye blinking and blink frequency. Its real-time detection will give a voice warning, and alarm to the driver to help maintain safe driving.4.Easy Install-While driving, the device will calculate, judge, and determine whether the driver is experiencing fatigue through advanced facial recognition, eye blinking and blink frequency. Its real-time detection will give a voice warning, and alarm to the driver to help maintain safe driving. Colour: BlackCar Charger Input: DC 12V/24VCar Charger Output: 5V, 1.5AMinimum Working Voltage, Current: 4.75V, 240mAMaximum Working Voltage, Current: 5.25V, 500mAProduct Working Voltage, Current: 5V, 320mAReal time fatigue driving warning and alarmingDistraction warning and alarmingWarning time: 1~2 seconds after closing eyesViewing angel: 60 degreeInterface: USBWorking Temperature: -20~60Storage Temperature: -20~80Detection Distance: 45-65cm (5cm)Language One Language for one country (Multi languages can be selected) Cautions:1, This product is currently only suit for private cars, not for trucks and big cars.Can be used some times but not recommended. 2, When wearing glaes, the driver can also use this device It is recommended not to wear sunglaes when using this device.3, The product is only for safe driving aistance usage. It may has false warning or mied warning. Please do not entirely rely on it or carry out the limit test. It is free from the responsibility if the product is used under such circumstance. And the manufacturer is not responsible for any problem and lo thus incurred.4,Children and ages under 18 years old, or the people who are not with driving licenses are forbidden to use this product. Package Includes:1* Early warning instrument1* support1* power cable1*English manual Note:Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.