UbiBot WS1 Pro 2.4GHz Wi-Fi Temperature Humidity Monitor, Wireless Temperature Sensor Description: UbiBot WS1 Pro is a cloud-based environmental monitoring data logger. WS1 Pro’ built-in sensors detect and measure temperature, humidity, and ambient light. Via a WiFi connection, it syncs data to the UbiBot IoT cloud platform, which gives you access to both real-time and historical data through the UbiBot App or Web Console platform anywhere in the world and allows you to receive real-time alerts. With a 4.4” high-quality LCD screen, it displays current environmental conditions and shows any alerts and notifications in real-time. It has two on-board USB ports; with splitters, it can connect 2 x DS18B20 Temperature Probe and 1 x RS485 probe at a time and can be connected simultaneously to the external power source. Features: Temperature, humidity, and ambient light monitoring 2.4 GHz WiFi network connection, no need for hubs or gateways 4.4” high-quality LCD screen displaying current environmental conditions Free App Web Console to access and monitor real-time data remotely, no subscription fee Unlimited UbiBot cloud storage for historical data; free historical data export Multiple ways of receiving real-time alerts: App notifications, emails, phone calls, SMS, HTTP Working with IFTTT, Alexa, Google Assistant, Google Sheet 2 x DS18B20 external temperature probe and 1 x RS485 probe is supported Easy setup with free UbiBot App or PC tools Memory with a capacity of 300,000 records stores all data even if WiFi is temporarily disconnected, which ensures there are no gaps in the data history. 2 types of power supply: AA batteries and external power supply Compliance with CE, EN 12830, FCC, FDA CFR21, IC, RCM, RoHS, TELEC Note: UbiBot WS1 Pro is not waterproof. The optimal operational environment is 10% to 90% RH. Long-term exposure to a high-humidity environment, over 90% RH, may cause damage to the device. If the device is used in continuously high humidity, over 90% RH, we suggest using the UbiBot water-resistant case and connecting external probes. For WiFi connection, WS1 Pro can work with a 2.4 GHz WiFi network or 2.4/5 GHz mixed network. 5 GHz WiFi is not supported. Technical Specifications: Temperature: -20? to 60?( -4? to 140?) Humidity: 10% to 90%, No condensation Ambient light: 0–83,000 lux Accuracy: Temperature 0.2 ?, humidity 2%, ambient light 2% Memory: 300,000 sensor records Network connection WiFi: 2.4GHz or 2.4/5GHz, channels 1-13 (5GHz WiFi NOT supported) Physical specifications Materials: Flame-resistant ABS + PC Dimensions: 12.6 x 8.6 x 2.25 cm Weight: 143 g ( 3 g) Colour: White Screen: 10.4 x 5 cm (4.4'') Ports: 2 x Micro USB; USB 2 is embedded with RS485 interface Power Supply: 4 x AA batteries / Micro USB(5V/2A) External probes supported Supports 2 x DS18B20 Temperature Probe and 1 x RS485 probe (TH30S-B/Soil probe/PT-100/Wind speed sensor, a Micro USB Splitter may be needed) One single pack includes 1 x WS1 Pro Wi-Fi version device; 1 x manual book; 1 x USB cable; 1 x stand