18 channels free control, automatic connection function, no cumbersome operation 2Support only android phones with Bluetooth 4.0 3Port control mode: 8 outlets. Self-locking, interlock, point movement, delay, motor control, bulb control, etc. 4You can modify the Bluetooth name and PIN(Access Password) through AT commands. 5Control mode: mobile phone Bluetooth, wireless remote control, relay switch Features:8 channels free control, automatic connection function, no cumbersome operation. Support only android phones with Bluetooth 4.0. You can modify the Bluetooth name and PIN(Access Password) through AT commands. Control mode: mobile phone Bluetooth, wireless remote control, relay switch. Operating voltage: DC 12V. Operating Current: Standby current (all relays closed) 15MA, 1 relay open 41MA, 2 relays open 69MA, 3 relays open 96MA, 4 relays open 123MA, 5 relays open 150MA, 6 relays open 177MA,7 relays open 203MA, 8 relays open 229MA. 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. "Momentary" "Self-locking" "Interlock" "open" "close" 5 Commands. You can modify the Bluetooth name and PIN(Access Password)use "UST to TTL232", For details, see file " Bluetooth parameter modification".Parameter:1.Operating voltage: DC 12V2.External relay is required to play a switchingfunction3.Bluetooth name is QS-8RELAY password:1234564.Revise the namefD 02 ef+ The totallength is 1 bytes + length + Device name byte (The longest is 10 bytes) +length + matching passwordPIN the longest is 6 bytes+ 5dsuch as:revise equipment name: QS-RELAYmatchingpassword:1234 send:FD 02 EF 0F 0851 53 2D 52 45 4C 41 590431 32 33 345DModify successfully:df ff00 005dModify failed, No response:df 00 00 00 5dFirst, APP sends the name of the device to bemodified, disconnects the Bluetooth connection, resets the Bluetooth moduleafter the hardware is received, delays a few seconds, and then configure theBluetooth device.8 way controlcode table:1 way open: FD 02 20 01 01 5D1 way Close: FD 02 20 01 00 5D2 way open: FD 02 20 02 01 5D2 way Close: FD 02 20 02 00 5D3 way open: FD 02 20 03 01 5D3 way Close: FD 02 20 03 00 5D4 way open: FD 02 20 04 01 5D4 way Close: FD 02 20 04 00 5D5 way open: FD 02 20 05 01 5D5 way Close: FD 02 20 05 00 5D6 way open: FD 02 20 06 01 5D6 way Close: FD 02 20 06 00 5D