WS3800 / WS3900 Weather Station with 7.5'' LCD Display and 7-in-1 Outdoor Sensor Array

Features: WS3800/WS3900 Display Console ·7.5" LCD Color/White display ·8 physical buttons ·Support DC powered and 3 x AA alkaline or lithium batteries powered (3 fresh AA batteries (not included) can only run for 15-25 days. Only used as a short-term backup power) ·Built-in temperature humidity sensor, and barometric pressure sensor ·Calendar, date, time, moon phase, sunrise, sunset, alarm and snooze function ·Weather forecast: Sunny, Partly Cloudy, Cloudy, Rainy, Stormy, Snowy and Storm Snowy ·Record Max & Min value, RST function (Clear daily max/min values), support unit setting, DST (Daylight Saving Time) ·Wall-hanging or free-standing option ·Support backlight adjustment under DC power supply ·Support optional sensors and IoT devices ·Support receiving and displaying multi-channel temperature & humidity, wind speed, wind direction, rainfall, UV, solar radiation, feels like, dew point, CO2, PM1.0, PM2.5, PM10, and AQI data ·Data storage on Ecowitt server:https://ecowitt.net