awa6223

1. Meet the standard of IEC 60942 2. Two types: Multi-frequency (F type) & multi-sound pressure level (S type) FEATURES 1. Meetthe standard of IEC 60942 2. Two types: Multi-frequency (F type) & multi-sound pressure level (S type) 3. Built-in temperature, humidity sensors can measure environmental temperature and relative humidity. 4. With optional wind speed measurement function 5. There is ...