RM400, 4 channels key less MOMENTARY relay switches, all 4 channels are setup with momentarily control.
Momentary mode:  press and continue to hold remote button to close relay contact, release remote button to open relay contact.
Switch up to 4 different devices, using 4 receivers, separately.
With our RM400 kit, you can control up to 4 different devices in 4 different locations, and control with just one remote control transmitter.
We also included an extra remote for spare as shown in picture.
With this RM400, you can momentarily activate any 12 Volt DC devices such as auto lighting kits, computer accessories and  other electronic applications, it is easy to wire with basic electrical wiring knowledge.


Receiver specs:
Input Voltage: 12VDC
Output Voltage: 12VDC
Output Load Current: 10 Amp per channel. not for use with high power motorized device.
response range is ~20' to 60' depends in area, nearby RF interference, battery strength ...
This is a DC switch, for AC outlet,  please use an AC to DC adapter!


Wiring:
Red: +12VDC In
White: +12VDC Out
Black: Ground
Blue: Antenna

Transmitter (remote control) specs
Compact 4 buttons, A,B,C,D momentary control per channel
Battery: A27