Unique design, convenient to use. Made of fireproof and environmental ABS material. Perfectly suitable for some models of cars, directly installed in the reserved switch hole. Two temperature sensors can display the temperature inside and outside the car at the same time. Operating voltage: 12V Temperature measurement range: -20 to 70 Temperature sensor wire length: 295cm / 95cm Fuse: F4AL250V Production according to 1:1 ratio of the car interface Installation: Use a steel ruler or plastic sheet to pry off the blank buttons on the dashboard of the car. For power connection, it can be connected to the cigarette lighter, battery, or fuse box. If connecting to the fuse box, an electrical adapter can be used for simpler installation. The probe lead inside the car can be placed near the driver's accelerator brake, or a small hole can be drilled on the dashboard to route the probe. The temperature probe wire outside the car can be placed in the door seam, under the mirror, or other suitable location. Compatible with selected vehicle models including: 2004–2009 2005–2008 Prado 2004–2006 2009 Prius 2005–2006 2013–2016 Senna 2005 Hiace 2011 Material: Plastic Color: Black Package Contents: 1 x Dual temperature sensor Note: Light and display differences may cause slight color variation between the image and the actual item. Measurement error allowance is +/- 1-3cm.