Features 1、Easy and convenient to operate. 2、Large color screen LCD display, multi-function. 3、Orange, green, and blue three color bars display, when the humidity is ≤ 29%, the trianglepoints towardsDRY; When 30% ≤ humidity ≤ 70%, the trianglepoints towards COMFORT; When the humidity is ≥ 71%, the trianglepoints towards WET. Specification This household temperature and humidity meter, is in portable size and convenient to operate, with multi-function, is an nessessory tool at home. Features: Easy and convenient to operate. Large color screen LCD display, multi-function. Orange, green, and blue three color bars display, when the humidity is ≤ 29%, the trianglepoints towardsDRY; When 30% ≤ humidity ≤ 70%, the trianglepoints towards COMFORT; When the humidity is ≥ 71%, the trianglepoints towards WET. Simultaneously display the highest temperature/humidity and lowest temperature/humidity within 24 hours. The temperature and humidity are refreshed every 10 seconds, and the measurement data is accurate and quick. Suitable for both desktop placing or wall hung. Specifications: Main color: black Material: ABS Temperature range: -20℃ to 60℃ / -4℉ to 140℉ Humidity range: 10% RH-99% RH ±3% RH Battery: 2 * CR2032, 3V, 240mAh Screen size: 76 * 51mm / 3.0 * 2.0in Item size: 93 * 73 * 19mm / 3.7 * 2.9 * 0.8in Item weight: 72g / 2.5ounce Package size: 102 * 82 * 29mm / 4.0 * 3.2 * 1.1in Package weight: 93g / 3.3ounce Packing List: 1 * Temperature Meter 1 * User Manual Package List 1 * Temperature Meter 1 * User Manual