1. Unique design, convenient to use. Made of fireproof and environmentally friendly ABS material. 2. Compatible with select vehicle models, designed for direct installation into the reserved switch panel opening. 3. Equipped with two temperature sensors to simultaneously display indoor and outdoor car temperatures. Operating voltage: 12V Temperature measurement range: -20°C 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 tool to carefully remove the blank button from 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 electrical adapter for easier installation. 3. Route the interior temperature probe near the driver’s accelerator or brake area, or drill a small hole in the dashboard to pass the probe through. The exterior temperature probe can be placed in the door seam, under the 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: The package includes only the items listed above. Other accessories are not included. Note: Lighting and monitor differences may cause slight color variations between the product image and actual item. Measurement error allowance: +/- 1–3 cm.