Replacement sensor/transmitter for the ACCUR8 YD8230A-4-BL weather station. Features an LCD screen that displays current temperature and humidity. Temperature range -30°C to 60°C (-22°F to 140°F) Humidity measurement range: 1 to 99% Wall mounting or table display Max transmission range: 30 metres (90 feet) in open area Water-resistant to IP44 rating (protected against rain and splashes) Available in black colour only. Notes: This sensor is for replacement purposes only. The ACCUR8 YD8230A-4-BL weather station can only accept one A8-TX16-2 sensor This sensor differs from the TX16, as the TX16 has a selector switch inside the battery compartment to set it to send to channel 1, 2, or 3 of the display console (receiver) of the YD8230A-4UK-BL. The TX16-2 doesn't have the channel selector switch. Dimensions 45 x 110 x 21mm Batteries 2 x AAA 1.5V Alkaline or lithium batteries (not included) Power Battery only