Feature: 1. Easy to use, equipped with a wireless sensor, wireless transmission or open transmission distance of 100 meters. 2. Large LCD screen with a lot of numbers, very easy to read, convenient and practical. 3. The portable transmitter can transmit within 100m without obstacles and within 30m with obstacles. 4. Very suitable for homes, offices, modern plant greenhouses, incubators, nutrition rooms, schools, laboratories, baby rooms, hospitals and other places. 5. Hanging and vertical thermometer, it has a shelf and a hole fixed on the hook wall, which can be easily placed in any position. 6. Multi‑purpose electronic thermometer, which can display weather and measure temperature, has low power consumption, high accuracy and stability. Specification: Item Type: Thermometer Material: ABS Plastic Weight: Approx. 141g / 5oz Host Product Size: Approx. 12x7.5x1.5cm / 4.7x3.0x0.6in Host Battery Parameters: 2xAAA batteries (not included) Outdoor Transmitter Battery Parameters: 2xAAA batteries (not included). Internal Temperature Range: 0-60°C. Outdoor Temperature Range: -40-60℃. Temperature Accuracy: ±1℃. Temperature Resolution: 0.1℃. . Package List: 1 x Thermometer(Battery Not Included)1 x Sensor(Battery Not Included)1 x English Manual Note: 1. Please allow 1‑2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.