Set of 4 mini digital hygrometers, round thermometers, hygrometer, temperature (℉) or Celsius (℃), for indoor, office, living room use (batteries included)

Real-time temperature and humidity monitoring: The round thermometer/hygrometer reliably updates the temperature (from -50°C to 70°C, ±1°C) and humidity (10% to 99% RH, ±5% RH) every 10 seconds thanks to its 24-valve measuring probe. Perfect for climate-controlled devices such as humidifiers or dehumidifiers. Clear LCD display and °C/°F switching: Clear display, switchable between °C and °F via the rear switch – ideal for markets. Terrarium thermometer – no setup required – fully ready to use immediately after battery replacement. Convenient button cell battery power: Powered by a single LR44/Li button cell battery, easy to replace and ready to use. Hygrometer with thermometer, no charging or tangled cables required. Tiny and elegant design: With its compact dimensions (only about 44 × 44 × 15 mm) and rounded shape, the device blends discreetly into any environment, whether it's the living room, bedroom, office, car, or greenhouse. Numerous possible uses: This hygrometer set is versatile: ideal for the home, nursery, laboratory, factory, cellar, garage, library, or hotel. It always ensures a healthy indoor climate, especially in cases of dry or excessively humid air.