For this amount of 1500, a completely normal product has two lines, vertical and horizontal, you can turn them off. Batteries and charger included.
I have added some photos to my review to give a more detailed account of my experience.
🌬️ Продвинутый внутренний монитор качества воздуха 3 в 1 с записью данных CO2/RH/Temp и звуковой сигнализацией - технология сенсора NDIR
8 Review
🔍 Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review
🔍 Контроллер диоксида для цифрового газового мониторинга
5 Review
Portable Handheld Manometer 📏 for Accurate Pressure Differential Measurement
5 Review