It is a high precision room , made from premium plastic and electronic components material, safe and practical. Perfect for bedroom, child room and some other occasions use. Digital display function, convenient and accurate to read. Features - Material: Plastic and electronic components - Size: About 8.50X8.50X2.50cm/3.34X3.34X0.98in - Temperature Range: 0 degree centigrade~50 degree centigrade / scale~122 fahrenheit scale - Temperature Accuracy: +/- - Humidity Range: 20%~ - Humidity Accuracy: +/-5% RH - Power: 2pcs AAA 1.5V Batteries - Not Included - Display the indoor temperature & humidity. - Units: degree centigrade/ fahrenheit scale is switchable, more practical. - With humidity level icons, it will indicate the conditions, LOW, OK and HIGH. - Humidity monitor allows proper humidity control, which is great for skin, allergen and more. - Perfect for office, bedroom, greenhouse, living room and more. Package list: 2 x