Able to match the UNNI sensors of all products: UN0581, UN0582, UN0585, UN0512, etc. The package comes with the necessary accessories for installation Sensors to be purchased separately Wall-mounted or placed on a flat surface Installation accessories include one set of Velcro, three cable ties, four screws, and four expansion tubes. Scalloped vent design to accelerate air flow Swivel removable support base for easy battery replacement Reduce the impact of sunlight on sensor accuracy Protect the sensor from rain to avoid rust Protective call point covers are designed to safeguard manual call points (MCPs) from accidental or deliberate activation, as well as environmental damage Youshiko 3 in 1 Weather Station for Indoor and Outdoor use, Barometer... Monitoring the outside temperature is very important. It can provide Able to match the UNNI sensors Match most humidity/temperature sensors (Available UNNI sensor dimensions: ‎ 5.67L x 2.05Wx 1.42H inches) Sensors for the following products: UN0581, UN0582, UN0585, UN0512, UN0601. External size of the shield cover is 3.35*4.13*7.05 inches Sensor Protection Shield for all UUNNI product sensors Outdoor shield cover to protect against inclement weather Casing against rain and wind Scalloped vent design to accelerate air flow No Sensor or Main Unit Included: Indoor Outdoor Thermometer Weather Station Sensor Protection Shield Wall-mounted or placed on a flat surface, and the package includes the parts required for installation. Outdoor Thermometer U UNNI Weather Station Hygroeter Indoor Outdoor Theroeter, Wireless Atomic Clock With Indoor/outdoor Temp