BT21C04 AC 110V 120V DC 5V 4 Channel Bluetooth-compatible Relay Switch for Android app Wireless Remote Controller

1 Operating voltage: power supply 1,AC 85-265V; power supply 2,DC 5V

 

2: 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)

 

3 ''Momentary'' ''Self-locking'' ''Interlock'' ''open'' ''close'' 5 Commands

 

4 You can modify the Bluetooth name and PIN(Access Password) through AT commands,

For details, see file '' Bluetooth parameter modification'' , For this function you need to buy USB TO TTL

 

5 size 70*67*19mm

 

6 Weight : 75g

NOTE:

Only for Android OS, does not support the Apple OS