InTemp* Bluetooth Low Energy Ambient Temperature Data Logger, Easy-to-read display with current and daily min/max temperatures, Battery Type: Two AAA 1.5 V alkaline or lithium batteries, user replaceable, Range: -
HOBO* Probe Temperature Data Logger, Food-grade 316 Series Stainless Steel, High-accuracy, extended temperature range, Suitable for high pressure applications to 2200psi, Fast readout via direct USB interface, Size: 5 inch
HOBOnet Temperature and Relative Humidity Sensor, provides a cost-effective and scalable solution for web-enabled monitoring of air temperature and humidity, robust RH sensor withstands extended use in high-humidity environments, 900 MHz wireless
HOBO* TidbiT Wireless Temperature Data Logger, compact, waterproof up to 120m (400 feet), features wireless setup and download via Bluetooth Low Energy (BLE) and has a large memory that stores 96,000 measurements, +/- 0.2 deg C (+/-0.36 deg F) accuracy
Bluetooth connection device, Neulog, with built-in battery, lets you connect any sensor to a iPhone, Droid, PC, Mac, or Chromebook Device, Allows of 1-5 sensor connectivity, Fast, easy, seamless connection, real time streaming of data, setting experiments