Features:
Solar powered, waterproof, LCD display.
No need for sensor, more convenient.
Wide range for measuring temperature: -25°C~59.5°C.
Convertible temperature unit between °C/°F.
Daily Max. / Min. record display.
Suction cup for window or glass door mounting.
Great for gardening enthusiast, greenhouse, conservatory, etc.
Attach to the inside of your greenhouse to monitor the internal temperature.

Specifications:
Display: LCD
Measuring Range: -25°C~59.5°C / -13°F~139.1°F
Accuracy: ±1°C(-10°C~20°C); ±2°C others
Battery: Built-in 1 * L1131 Button Battery
Product Size: 75 * 40 * 19mm / 3 * 1.57 * 0.75in
Product Weight: 20g / 0.73oz