1. Unique design, convenient to use. Made of fireproof and environmentally friendly ABS material. 2. Compatible with select car models, designed to install directly into the reserved switch hole. 3. Equipped with two temperature sensors to display both interior and exterior car temperatures simultaneously. Operating voltage: 12V Temperature measurement range: -20°C to 70°C Temperature sensor wire length: 295cm and 95cm Fuse: F4AL250V Precision design based on 1:1 car interface specifications Installation instructions: 1. Use a plastic pry tool to carefully remove the blank button on the car dashboard. 2. For power connection, options include cigarette lighter socket, battery, or fuse box. If connecting to the fuse box, use an appropriate automotive fuse tap for safe and simple installation. 3. Route the internal temperature probe near the driver’s side accelerator or brake area. Alternatively, drill a small hole in the dashboard to route the probe if needed. The external temperature probe can be placed in the door seam, under the side mirror, or another suitable location for accurate external temperature reading. Compatible with select models including: Toyota Prado (2004–2009, 2005–2008) Toyota Prius (2004–2006, 2009) Toyota Siena (2005–2006, 2013–2016) Toyota Hiace (2005, 2011) Material: Plastic Color: Black Package Contents: 1 x Dual Temperature Sensor Note: The package includes only the items listed. Other accessories shown are not included. Due to lighting and display differences, the actual product color may vary slightly from the image. Measurement error allowance: ±1–3 cm.