Check the listing for details. Kestrel DROP D2 Bluetooth Data Logger - Red | Factory Authorized Dealer. Condition: New. Listed at 99.00 USD. Know your temperature and humidity conditions anywhere with the small, rugged Kestrel DROP D2 Temperature and Humidity Logger The EASIEST way to monitor and track temperature, humidity, heat index and dew point in almost any environment – wet or dry, indoors or outView data wirelessly via Bluetooth® low energy on your iOS phone or tablet with the free Kestrel LiNK app Store thousands of data points and get months of logging on a single coin-cell battery - customize logging rate, connections and alertsSee, save and share data from multiple DROPs with just one phone or tablet –iOS 6 installed iPhone 4s, iPad 3rd generation or later.Android 4.3 and higher. Works with most Android devices with Bluetooth® low energy, including Samsung Galaxy, Nexus 4, Motorola Droid and other recent generation phones and tablets. Measures: TemperatureDew Point Heat Stress IndexRelative Humidity Features:Drop-Tested to MIL-STD-810GFloatsLiNK Wireless Communication to Mobile Devices (Bluetooth low energy)Relative Humidity SensorTemperature Sensor (Patented External Isolated)Waterproof to IP67 (3'/1M for 30 minutes)Includes:Battery - 1 x CR2032Certificate Of Conformity (Spec Sheet)Instructions Weather Republic is a fully stocking NK Authorized Reseller. Our Kestrel Meters and Drops include a full 5 Year Manufacturers Warranty