1. Unique design, convenient to use. Made of fireproof and environmentally friendly ABS material. 2. Compatible with select vehicle models, designed to install directly into the reserved switch hole. 3. Equipped with two temperature sensors to simultaneously display interior and exterior car temperatures. Operating voltage: 12V Temperature measurement range: -20 to 70°C Temperature sensor wire length: 295cm / 95cm Fuse: F4AL250V Precision design based on 1:1 car interface specifications Installation instructions: 1. Use a steel ruler or plastic trim tool to carefully remove the blank buttons on the car dashboard. 2. For power connection, options include the cigarette lighter, battery, or fuse box. Connecting to the fuse box may require a separate power tap, which offers a simpler installation. 3. Route the internal temperature probe inside the vehicle near the driver’s accelerator or brake area. Alternatively, drill a small hole in the dashboard to pass the probe through. The external temperature probe can be positioned in the door seam, under the side mirror, or another suitable location. Compatible with select 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 settings may cause slight variations between the product color in images and the actual item. Measurement error allowance: ±1–3 cm.