Multifunctional Wireless Home/Office Weather Station Color Digital Display Clock 433MHz Outdoor and Indoor Temperature Tester Hygrometer Weather Forecast Table Clock This product is divided into indoor unit and outdoor unit. The indoor unit can be placed on the desktop, bedside and other places, and the outdoor unit can be placed at the garden, garage, orchard and other places. Indoor and outdoor temperature and humidity are clear, so as to creates an nice indoor and outdoor environment. Features: Clear large color screen, all kinds of informations are clear, not messy. One indoor unit can be equipped with up to 3 outdoor units. Display weather, temperature, humidity, time, date, week. Two sets of alarms can be set, and there is a sleepy function. The outdoor unit collects the outdoor temperature and humidity data changes, wirelessly transmits them to the indoor unit and displays them on the screen. Can be wall mounted and placed on the desktop, with hung holes and brackets. Specifications: Type: H168G, H173G (optional) Waterproof: IPX4 Cable length: 0.8m Power consumption: ＜0.5W Indoor unit battery: AAA battery (not included) Outdoor unit battery: AAA battery (not included) Indoor unit size: 185 * 122 * 25mm / 7.3 * 4.8 * 1.0in Outdoor unit size: 90 * 60 * 24mm / 3.5 * 2.4 * 0.9in Package size: 270 * 132 * 36mm / 10.6 * 5.2 * 1.4in Package weight: 600g / 1.3lb Packing List: 1 * Outdoor Unit 1 * Indoor Unit 1 * Cable