Check the listing for details. CE034_M DC 5 -24V Bluetooth Relay Module Android APP Mobile Phone Remote control. Condition: New. Listed at 16.89 USD. 1 Power supply is DC 6-25V, "LOAD" also DC 6-25V circuit, wiring diagram below. "LOAD" may be LED lights, fans, motors and other DC 6-25V equipment 2 Power supply is DC 6-25V, "LOAD" is DC 1-48V or AC 85-265V circuit, wiring diagram below. "LOAD" may be LED lights, fans, motors and other DC 1-48V or AC 85-265V equipment 3 Power supply is DC5V, "LOAD" is DC 1-48V or AC 85-265V circuit, wiring diagram Below. "LOAD" may be LED lights, fans, motors and other DC 1-48V or AC 85-265V equipment 4 Power supply is DC 5V, "LOAD" is DC 5V circuit, wiring diagram below. "LOAD" may be LED lights, fans, mcu Development Boards and other DC 5V equipment Product Name:12V 2.4G Bluetooth Relay Android Mobile Remote control for Light Switch Lock NET Package inlcuded: 1 PCS DC 5V 12V 24V1 ChAndroidBluetooth Relay Module Description: 1 Operating voltage: power supply 1, DC 6-25V; power supply 2,DC 5V 2 Operating Current: Standby 11MA, Relay Open 45MA (voltage DC 12V) 3 Bluetooth V2.1 + EDR, Class 2 4 2.4GHz-2.48GHz unlicensed ISM band 5 send commands via Android Bluetooth APP control relay turned on and off (we provide Bluetooth APP, you can also use your own APP to control relays, sending commands to control),It can also be triggered by an external pulse signal. 6 "Momentary" "Self-locking" "open" "close" 4 Commands 7 External trigger input, opto-isolated switch, low pulse inputs. 8 size 79 * 47.5 * 20 9 Weight : 34g 10 Relay Maximum load:10A/250VAC ,10A/125VAC,10A /30VDC, 10A /28VDC ,10A /12VDC Typical applications: Home lighting system Remote control switch Remote locking Smart Home / Home Automation DC 12V LED lighting Fluorescent lamp 12V DC Motor Fluorescent lamp Automotive electronics Industrial automation and control Bluetooth relay manual: NO : Relay normally open contact COM : Relay common contact NC : Relay normally closed contact Momentary : Mobile terminal input "A0", the relay is "open",and after delay of 1 second the relay is "Close". Self-locking : Mobile terminal input "A1", the relay is "Open", input "A1", the relay is "Close", and so on Open : NO connection COM, NC disconnect COM Close : NO disconnect COM, NC connection COM External trigger input: low pulse triggering, pulse width greater than 200 milliseconds. Two control methods, external trigger signal and Command Control,It can be composed of flexible and diverse control. CommandS(Format: character, case-insensitive) CommandS Features Description A0 "Momentary" Mobile terminal input "A0", the relay is "open",and after delay of 1 second the relay is "Close". A1 " Self-locking " Mobile terminal input "A1", the relay is "Open", input "A1", the relay is "Close", and so on A2 " Open " NO connection COM, NC disconnect COM A3 " Close " NO disconnect COM, NC connection COM A4 " Open " NO connection COM, NC disconnect COM Bluetooth APP operations: Access Password : 1234 Bluetooth Baud rate: 9600BPS