Feature 1 STRONG TEMPERED GLASS: Made of tough tempered glass after strengthening treatment, has good mechanical properties, heat resistance and shock resistance 2 WIDE APPLICATIONS: LED high definition large screen bring clear reading without ghosting. Suitable for home, factory workshop, laboratory, planting shed, etc. 3 INTELLIGENT PROTECTIVE BACKLIGHT: Intelligent backlight function, intelligent brightness display, avoid direct light, therefore protect your eyes 4 SENSITIVE AND ACCURATE LARGE RANGE: External high temperature probe, range from 40~100, humidity from 0~99.9%RH, large range to bring more sensitive and accurate real time data 5 EASY TO OPERATE: Four physical buttons on the back, easy to understand operation, everyone can easily read all real time readingsItem Type: Temperature Humidity SensorExternal High Temperature Probe Specification: Approx. 3meter / 9.8ftPower Cord: Approx. 1.5meter / 4.9ftMeasurement Accuracy: 0.3 2%RHRange: Temperature: -40~100; Humidity: 0~99.9%RHSupply Voltage: 5V 1AResolution: 0.1 0.1%RHPlug Type: US Plug 100-240v Package List1 x Temperature Humidity Sensor1 x Charger1 x Expansion Screw1 x Bracket