Features:
Suitable for electrical control circuit such as anti-theft alarm， remote control electric windows， signal control， industrial control， lifting equipment and so on.
It uses fixed wireless code encoding， has no direction. 
The switch will not disturb each other .Because of the 12V remote control， we suggest that the power supply must more than DC 500mA.
Each receiver board can withstand the maximum current of 10A.
Applications: Remote locking， electric shutter doors， industrial control， wireless Barrier， wireless control products， etc.
Easy and convenient to use
Working Mode: inching， self-lock， interlock.

Specifications:
4-way learning controller:
Frequency: 315MHZ
Contact capacity: 10A/250VAC， 10A/24VDC
Control channel: four normally open (normally closed) contacts
Channel: 4

Remote control:
Remote control distance:3000 meters (Theoretical distance)
Frequency: 315MHZ
Power by: 2 * battery (Not included)

Package Included:
1 x 4 Channels Wireless remote control switch 
1 x Remote Controller