General description This AlwaysH Wireless Indoor Outdoor Thermometer features a digital clock and a wireless weather station with an outdoor sensor. It allows you to display indoor and outdoor temperatures simultaneously, along with the time. The device is designed for easy readability with a large LCD display and can be placed on a table or hung on a wall. Technical specifications Material: ABS Color: Black Display Size: 94*54mm Indoor Temperature Measurement Range: 0~50℃ / 32~122℉ Outdoor Temperature Measurement Range: -20~70℃ / -4~158℉ Temperature Accuracy: ±1℃ Indoor Temperature Detection Period: 30 seconds Outdoor Temperature Detection Period: 57 seconds Transmitter Size: 130 * 40 * 22mm / 5.12 * 1.57 * 0.87in Temperature Clock Size: 150 * 86 * 23mm / 5.91 * 3.38 * 0.91in Transmitter Weight: 47g / 1.64oz Temperature Clock Weight: 122g / 4.30oz Package Size: 16 * 14 * 3cm / 6.30 * 5.51 * 1.18in Package Weight: 259g / 9.12oz Compatibility and accessories Transmitter Battery: 2 *