433MHz 12V 4 Channel Relay Module Wireless with RF Remote Control Switch without Battery can be controlled by a wireless remote through a wireless RF link. The relays can be used to control 240 V AC up to 10A appliances, motors, other electronic circuits, etc. The board can operate within a range of 50m when the remote is in line of sight and around 25m when indoors.

The RF link on this board works on the 433 MHz frequency. Both the transmitter and the receiver come with an onboard antenna and offer a compact and simple design.

Note: Remote Control included in the package does not come with Battery due to Air Express Shipping Limitations. You have to buy the battery separately.

Specifications and Features :

Working Mode: Output selectable between Latching and Non Latching types

Working current: 50 ~ 200mA

the operating frequency: 433MHz

Working temperature: -10 ? ~ + 50 ?

Application: remote control electric doors, windows, switches, security and other remote areas

Set Output Type Set output type by changing the position of the upper left corner of the JP2 jumper to adjust

Interlock status all vacant Jumper

Non-lock status the jumper on 3,4

Self-locking state the jumper on 1,2

2 2 Non-Self-locking lock 1,2 plug, plug 3,4

Linking Remote

To link the remote and relay, power relay board, hold down the button for about 1 second to learn to let go,

Learn indicator light flashes, press the button on the remote control to learn indicator light flashes after a few off, both represent learning success.

Package includes:

1 x 4 Button RF Remote Control