Features:  Temperature & humidity sensor can detect real-time temperature and humidity indoors.  Powered by a 3V CR2032 battery, low power consumption.  Mini size and concise appearance, portable and lightweight.  You can place it on desktop, stick it to the wall, or hang it with a lanyard. (Lanyard and sticker are NOT included.)  Widely used in living room, bedroom, baby room, office, shop, restaurant and more indoor places.    Note: Size and color may be slightly different because of manual measurement and different light conditions. Thanks for understanding.    Specifications:  Color: White  Material: ABS  Temperature Measuring Range: -9.9~50℃  Accuracy: ±1℃  Humidity Measuring Range: 10-90% RH  Accuracy: ±5% RH  Built-in Battery: 1 * 3V CR2032 Button Cell  Item Size: 43 * 43 * 13mm / 1.69 * 1.69 * 0.51in  Package Size: 6 * 6 * 2cm / 2.36 * 2.36 * 0.79in  Package Weight: 30g / 1.06oz    Package List:  1 * Temperature & Humidity Sensor