Feature:1. The relay possess long service life, which can be connected continuously for 100,000 times2. Bluetooth relay module come with wireless control function, convenient control and operation3. Provide diode effusion protection, short response time, therefore bring high efficiency4. Includes 2 channel 5V/10A relay module and for SPPC Bluetooth serial port slave module5. Wireless remote control, you can send instructions through the mobile phone APP to control the switch of the relaySpecification:Item Type: Bluetooth Relay ModuleMaterial: PCBControl Distance: Approx. 10meter / 32.8ft(open environment)Working Voltage: DC 5VPurpose: Includes 2 channel 5V/10A relay module and for SPP-C Bluetooth serial port slave module, which can control the switch of the relay by sending instructions through the mobile phone APP.Package List:1 x Bluetooth Relay ModuleNote:At present, the module only supports for Android system, not for iOS.