Size: 28mm diameter, 8mm height.
Battery: > 18 months User-replaceable CR 2016 (standard coin cell battery)
Connectivity: Bluetooth Low Energy 4.0
Range: 10 – 50m (30 – 150 ft)
Supported OS: iOS 9+, Android 4.4+, Mac OSX Sierra
Weather proof soft touch silicone to be used indoors or outdoors.
Clip-on and re-useable adhesive included.
Hundreds of features, new functionality added monthly.