RadBeacon X4 - All-weather, Long-life Bluetooth Smart Proximity Multi-beacon Using iBeacon and AltBeacon Technology Waterproof IP65 housing locks out dust and moisture for both indoor and outdoor use Pre-formatted with transmit rate of 100ms based on the iBeacon standard. Powered by 4 standard double-AA batteries. Customizable settings to work in all environments. FCC and CE approved Fully programmable using RadBeacon Config App: https://itunes.apple.com/us/app/radbeacon/id789301891?mt=8