Features: The housing is made of ABS material, reliable quality and long lasting, with long durability. Large LCD display, 3 levels of backlighting adjustable, easy to read, with the time, date, weather status, indoor temperature and humidity, network temperature and humidity, weather forecast for the nexts 3 days, etc. display function. WiFi multi-functional weather station, no gateways required, download the APP to connect directly to WiFi, convenient, quick and easy (APP: Tuya APP). This intelligent clock can automatically synchronises information from local weather stations when networked and supports global weather stations. Clock displays the day's real-time weather and dynamic weather forecast for the nexts 3 days, automatically obtains local city weather data and synchronises with the network. With temperature and humidity function, automatically obtains real time and network weather data and synchronises it, with the temperature measurement ranges of -20°C~60°C, humidity measurement ranges of 0%RH-99%RH. With temperature and humidity data storage function: real-time indoor temperature and humidity detection, real-time updates on screen and APP, automatic temperature and humidity sensing, thoughtful reminders of cold and warm, you can view historical data trend records of temperature and humidity. APP intelligent control, easy to operate, rich functions, APP share air pressure/ultraviolet/wind speed/temperature and humidity alarm function, you can view the historical data trend record of temperature and humidity. Specifications: Name: Weather Clock Material: ABS+PC Type: weather+1pcs sub sensors, weather+2pcs sub sensors, weather+3pcs sub sensors (optional) Sub machine battery: according to your selection 1pcs sub sensors: 1 * 3.7V, 400mA (included) 2pcs sub sensors: 2 * 3.7V, 400mA (included) 3pcs sub sensors: 3 * 3.7V, 400mA (included) Input: 100-240V, 50/60Hz Output: 5V, 2A Standby current: About 6uA for auxiliary machine Standby time: 6 months for auxiliary machine Communication way: Wifi(2.4G)+BT module Communication frequency for auxiliary Machine: 433MHz Communication distance for Auxiliary Machine: 80M (empty outdoor environment) Temperature display Unit: ℃/℉ Humidity display unit: RH% Temperature ranges & accuracy: -20~60℃, ±0.5℃ Humidity ranges & accuracy: 0%~99%, ±2%RH Operating temperature: -20~60℃ Item size: Weather clock size: 160 * 23.5 * 160mm / 6.30 * 0.93 * 6.30in Sub sensors size: 45 * 15mm / 1.77 * 0.59in Package size: 185 * 195 * 65mm / 7.28 * 7.68 * 2.56in Package weight: Weather+1pcs sub sensors: 550g / 1.21lb Weather+2pcs sub sensors: 560g / 1.23lb Weather+3pcs sub sensors: 570g / 1.26lb Packing List(1pcs sub sensors): 1 * Weather Clock 1 * Sub Sensors 1 * Charging Cable 1 * Lanyard 1 * User Manual OR Packing List(2pcs sub sensors): 1 * Weather Clock 2 * Sub Sensors 1 * Charging Cable 1 * Lanyard 1 * User Manual OR Packing List(3pcs sub sensors): 1 * Weather Clock 3 * Sub Sensors 1 * Charging Cable 1 * Lanyard 1 * User Manual Package List (1pcs sub sensors): 1 * Weather Clock 1 * Sub Sensors 1 * Charging Cable 1 * Lanyard 1 * User Manual OR Packing List(2pcs sub sensors): 1 * Weather Clock 2 * Sub Sensors 1 * Charging Cable 1 * Lanyard 1 * User Manual OR Packing List(3pcs sub sensors): 1 * Weather Clock 3 * Sub Sensors 1 * Charging Cable 1 * Lanyard 1 * User Manual