ITEM NAME:WiFi 2.4GHz Temperature Humidity Detector Home Wireless Air Quality Smart Sensor Product Description Description: WiFi 2.4GHz Temperature Humidity Detector APP Phone Remote Control Home Wireless Air Quality Smart Sensor Monitor Analyzer Feature: Radio transmission circuit and coding technology to solve the problem of signal interference blocking. A variety of temperature modes can be adjusted, suitable for different scenarios. Wireless transmission of data signals, mobile phone remote monitoring. Ultra-low power consumption, long battery life. With low voltage monitoring and prompt function. Regularly send online reports to the host. Anti-dismantle design in the professional security field. Split design, high reliability. Specification: Communication Method: WiFi 2.4G Working Temperature: -10℃~+55℃ Power Supply: DC 4.5V (3x AA Batteries, NOT Including) Size: 64 X 64 X 28mm/2.52 X 2.52 X 1.1" Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 1 X Temperature Humidity Detector.Included: 1 X Temperature Humidity Detector. Radio transmission circuit and coding technology to solve the problem of signal interference blocking. A variety of temperature modes can be adjusted, suitable for different scenarios.