Additional or Replacement, Three channel Wireless Temperature & Humidity Sensor, 433MHz
Compatible with Youshiko YC9337 and YC9432 only ,
Transmits up to 50 meters or 160 feet from the main uni.
Wall mounting or Desk top / Table standing , Weather proof casing (Please mount this sensor outside in a sheltered place to avoid direct heavy rain and direct sunshine for best results / readings) .
Requires 2 x AA battery (not included)
100 x 65 x 20 mm (H x L x W)