DEMO Reveal by Tactacam Wind Bluetooth Sensor RV-TC-BWS. Compact rugged and built to integrate seamlessly with REVEAL trail cams it pairs to your camera using wireless connectivity has a built-in e-compass and runs on three AA batteries. As the first connected wind sensor designed for a trail camera it provides hunters with the critical edge they need to make smarter more confident decisions. Note: 3.0 or newer camera required for operation. Specifications for Reveal by Tactacam Bluetooth Wind Sensor: Manufacturer: Reveal by Tactacam Color: Tan Fabric/Material: Polymer Length: 3.25 in Height: 7.7 in Width: 5.9 in Weight: 0.38 lb Features of Reveal by Tactacam Bluetooth Wind Sensor Real-time Wind Speed and Direction Data: Information for your exact hunting location On-the-ground Accuracy: Vastly superior to generic weather app data On-Demand Readings: Get instant wind checks through the REVEAL app for precise stand selection and mid-hunt adjustments Continual updates: Automatically collects and syncs data on a regular basis to keep your intel fresh and accurate Historical and Forecast Data: Review past conditions and compare them with current and forecasted trends to plan smarter hunts Seamless Integration: Designed exclusively for REVEAL 3.0 4.0 and Ultra cameras to expand your ecosystem Built-in E-compass for Precise Wind Direction: User calibration is required Optimize Stand Placement: Gain control over scent and hunt timing Package Contents: Reveal by Tactacam Bluetooth Wind Sensor Reveal by Tactacam RV-TC-BWS: Wind Bluetooth Sensor