Item Type: Temperature Humidity Sensor_x000D_External High Temperature Probe Specification: Approx. 3meter / 9.8ft_x000D_Power Cord: Approx. 1.5meter / 4.9ft_x000D_Measurement Accuracy: 0.3 2%RH_x000D_Range: Temperature: -40~100; Humidity: 0~99.9%RH_x000D_Supply Voltage: 5V 1A_x000D_Resolution: 0.1 0.1%RH_x000D_Plug Type: US Plug 100-240v 1STRONG TEMPERED GLASS: Made of tough tempered glass after strengthening treatment, has good mechanical properties, heat resistance and shock resistance 2WIDE APPLICATIONS: LED high definition large screen bring clear reading without ghosting. Suitable for home, factory workshop, laboratory, planting shed, etc. 3INTELLIGENT PROTECTIVE BACKLIGHT: Intelligent backlight function, intelligent brightness display, avoid direct light, therefore protect your eyes 4SENSITIVE 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 5EASY TO OPERATE: Four physical buttons on the back, easy to understand operation, everyone can easily read all real time readings1 x Temperature Humidity Sensor1 x Charger1 x Expansion Screw1 x Bracket