Protmex PT20B

The Protmex PT20B is a full‑featured wireless weather station designed to give you clear environmental data for indoor and outdoor spaces. It combines a barometer, thermometer and hygrometer with a weather forecast display, clock, calendar, alarm and moon phase indicator — all shown on a bright LCD screen for easy reading.

Key Features:

• Indoor and outdoor temperature & humidity measurements via two wireless sensors with a range of up to ~60 m line‑of‑sight.

• Weather forecast icons based on barometric trends (sunny, cloudy, rainy, snowy, etc.).

• Time, calendar and alarm functions — including snooze.

• Moon phase display — visual indication of lunar cycle stages.

• Frost warning alert — audible warning for low temperatures.

• LCD display with backlight — easy to read in various lighting conditions.

• Power options: main unit via 3×AAA batteries or DC 5 V adapter; outdoor sensors powered by 2×AAA batteries.

• Station size: ~17.5 × 13.5 × 3 cm; weight ~650 g.

• Measurement ranges: indoor temperature −9.9 °C to 50 °C; outdoor −40 °C to 70 °C; humidity 20 %–99 %; barometric pressure 800–1100 hPa.

The Protmex PT20B weather station is a practical climate control tool for the home, office or workshop, helping you monitor conditions and better anticipate weather changes.