Product: 12V RF Wireless Relay Remote Control Switch, 10A Universal 4-Channel 433MHz Remote Control Relay Switch for Motor, DIY Function, Home Use & More (2 Transmitters with 1 Receiver)
Brand: BWSS
About Receiver:

Model No.: AK-RK04S-12-B
1. Working voltage: DC12V
2. Quiescent condition: Less than 6mA
3. Working temperature: -40 Degree +80 Degree
4. Receiver sensitivity: more than -105dBm
5. Working frequency: 433mhz
6. Output voltage: DC and AC is optional
7. Output current: Less than 3A
8. Max load current: 20A
9. Size: 7.2 x 5.2 x 2.6cm

About Working way:
Working way changed by jumper on pins
Momentary: jumper doesn't connect any two pins. 
Relay: Press and hold -> On; Release -> Off. 
Toggle: jumper connects the pin T and pin S. 
Relay: Press -> On; Press same button again -> Off 
Latched: jumper connects the pin L and pin S. 
Relay: Press -> On; Press other button -> Off. 

About Learning and clearing Method: 
Learning: Press learning button, the indicator OFF, loosen finger, press any button of the remote transmitter, indicator flashes three times, meaning learning succeeds.
Clearning: Hold press learning button about 8 seconds,,indicator from OFF to ON,then press remote ,Relay did not Respond ,it means clearning code successful. 

About Transmitter:
Buttons: 4 Buttons 
Working Voltage:DC6V (2PCS CR2016)
Operating frequency :433MHz
Remote Distance: 20-50M
Operating Current: 13 mAh
Encode: Fixed code / EV1527 code
Size: 5.7 x 3.2 x 1.1cm

Package Includes
2 x Transmitters
1 x Receiver 
1 x User Manual
【Easy & Convenience】Wireless control, easy to install. We have made transmitter and receiver working together and test it before ship it,when you get it just need install it.
【Widely used】the remote switch is wide range of applications from simple domestic remote control to autonomous control, the wireless remote control switch can control Lights, Motors, Fans, lifting equipment, entrance access, up and down controller, alarm system, Garage Doors, electrically operated Doors / Locks / Windows / Blinds / Cars or Other Appliances
【SIGNAL Stability】This RF remote control adopts RF technology, stable signal. Signal of the wireless RF switch can pass through walls, floors and doors, steadily control receiver from any place within a reliable distance.
【Advantage】The wireless receiving controller, with high confidentiality, stable performance, low power consumption characteristic . Resist Interference: It adopts non-directional wireless encoding technology, allowing independent control without mutual interference.
【12v 4 Channel for Wireless Control 】the remote switch is a learning switch, it can learn different coding remote controls (such as 2262,1527 ect.) it can meet different customer needs. the output way /working way can be changed as you like, it is easy to match the transmitter. Adjustable working way, control equipment turn/reverse, on/off. Switch Self-lock, Jog, Inter-lock. One/several transmitters can control one/several receivers simultaneously.They do not interfere with each other.

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