1.Realize the solar controller of wireless monitoring function2.Support mobile phone APP, plug and play,simple setting3.The use of high performance,low power consumption of thebluetooth special chip4.Adopt bluetooth 4.0 and BLE technology,has the characteristics ofrapid communication and strong anti-jamming capability5.Without external power supply,power supply directly by thecommunication portCommunication distance of up to 15 metersType: BT-2Input voltage: 5V-12VStand-by power consumption: 0.04WRun power consumption: 0.05WCommunication distance: 15mSerial port baud rate: Fixed baud rate 9600bpsCommunication methods: TTLInterface type: PH2.0Connecting line: Standard Ethernet cable(parallel line)Fixed holes diameter: 3.5Operating temperature: -20-75Colour:blackMaterial:plasticPackage Contents:1 x BT-2 Bluetooth moduleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.