Features: Real-time monitoring the temperature and humidity of your home. Adopt digital temperature High-precision and humidity sensor, which can quickly and accurately detect changes in temperature and humidity. Small in size and lightweight with compact and delicate design. Simple looking with smooth edges , suitable for putting in baby's or elder's room. Indicate the temperature and humidity level with emotion icon. Adopt safe and reliable environmental protection material, without peculiar smell. ABS material is durable, wear-resistant and drop-proof. Features: Material: ABS Temperature range Range: -50~70 (-58~158) Temperature Accuracy: 1 (1.8) Humidity Range: 10%~99% RH Humidity Accuracy: 5% RH Power supply: 1 * CR2032 button cell on Item Size: 43 * 43 * 13mm / 1.69 * 1.69 * 0.51in Item Weight: 30g / 1.06oz Package Weight: 80g / 2.82oz Package Size: 6 * 6 * 3cm / 2.36 * 2.36 * 1.18in Packing List: 1 * Test Meter< /td>