IP67 Waterproof, Bluetooth LE temperature sensor beacon with 2m probe for sensing and IoT applications. Powered by included CR2450 battery for up to 3.2 years battery life at default settings. Slide switch inside turns on and off. 

Note that this Bluetooth beacon is not an iBeacon nor Eddystone beacon. The advertising data is instead wholly used for sensor data. You will need an app or gateway to scan and get the advertising data. The temperature (degrees C in 0.01 C units), battery level and button press are all in the advertising data.

-20C to 70C operating temperature of the main unit. Probe -50C to 150C. Accuracy +- 0.5C -20C to 90C, otherwise +-0.7C -50C to 150C. Stability <=0.01C/yr.

Advertising user configurable 100ms to 1min, default 30 secs.

Probe cable length 2M, sensor 30mm x 6mm.

2m drop protection on main unit.

Black only.

An Android configuration app allows changing of transmit power level and the advertising interval. There is no iOS configuration app.

Supplied with details how to access technical and programming information.