Specifications: Material: ABS Battery: 1 * AAA battery (not included) External induction wire length: 150cm Temperature range: -10℃-70℃ Temperature accuracy: ±1 ℃ Temperature resolution: 0.1 ℃ Humidity resolution: 1% RH Humidity range: 10% RH-99% RH Humidity accuracy: ±5% RH Item size: 10 * 9 * 2.3cm / 3.9 * 3.5 * 0.9in Item weight: 100g / 3.5oz Package size: 18 * 12 * 3cm / 7.1 * 4.7 * 1.2in Package weight: 125g / 4.4oz Package list: 1 * Temperature and Humidity Meter with Probe 1 * User Manual.