ServiceFirst SEN01544 Wireless Temperature Sensor/ReceiverCondition:* New surplus stock, in OEM packaging. As pictured. Additional Notes:* Accuracy: 0.5 Deg. F* Battery Type: 2 x AA Lithium 1.5V Batteries, 2800 MAH With an Expected Life of 5 Years Under Typical Conditions* Brand: ServiceFirst* Color: White* Material: ABS (Acrylonitrile Butadiene Styrene); Polycabonate (Suitable for Plenum Mounting); Uv Protected; Ul 94: 5 Va Flammability Rating* Mounting Type: 3.2 in (83 Mm) With Two (2) Supplied Mounting Screws* Operating Humidity (RH%): 5 to 95%* Output: North America: 100 mW* Temperature Rating: 32F to 122F* Type: Wireless, Temperature* Voltage (VAC): 24V* Voltage (VDC): 24ServiceFirst TraneSEN01544