The BT004BLE provides four volt free contact relay outputs with a current rating of up to 16Amp @ 250V AC each, controlled over Bluetooth LE using simple binary or ASCII commands.
Free Android or IOS Apps are available to remotely control this module. The app allows you to change the modules name, password and set a name and pulse time for each relay.
You can find it within Google Play or iTunes under "IOBluetoothLE".
The BT004BLE is ideal for connection to Android or IOS devices, however we recommend the BT004 for Windows PC devices.
The board requires 12VDC power.
The specifications are available on the website of Devantech.