Proximity Beacon Bluetooth4.0 BLE Beacon with iBeacon & Eddystone Tech Programmable beacon: all parameters can be modified by our App"April Beacon", including: UUID, major value, minor value, broadcast rate, password etc. Free App and free software SDK available for both Android and iOS Compatibility: Support both iBeacon(IOS) and Eddystone( Android) Low energy: 1 piece Replaceable CR2450 battery, battery life is 3 year with default setting Application: Meeting sign in, indoor navigation, retail marketing, Check in and Home automation Effect range is 50m.