1. Unique design, convenient to use. Made of fireproof and environmental ABS material.2. Perfectly suitable for some models of cars, directly installed in the reserved switch hole.3. Two temperature sensors can display the temperature inside and outside the car at the same time.Operating voltage: 12VTemperature measurement range: -20-70Temperature sensor wire length: 295cm/95cmFuse: F4AL250VProduction according to 1:1 ratio of the car interfaceInstallation method:1. Use a steel ruler or plastic sheet to pry off the blank buttons on the dashboard of the car2. To get electricity, you can connect to the cigarette lighter, battery, or fuse box. If you connect to the fuse box, you can buy one more electrical appliance, which is simpler and safer3. The probe lead in the car can be placed near the driver's accelerator brake, or a small hole can be drilled on the dashboard to lead out the probe.The temperature probe wire outside the car can be placed in the door seam, under the mirror or other suitable installation placeSome suitable models for: Corolla 2004---2009 2005---2008 Prado 2004---2006 2009 Prius 2005---2006 Costa 2013---2016 Senna 2005 Hiace 2011Material:plasticcolour:blackPackage Contents:1 x dual temperature sensorOnly the above package content, other products are not included.Note: Light 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.