Features:

Wide Voltage Input DC 10V-24V, 4 Channels, Easy To Install. The Range Is About 5000m, In The Open Air, It Can Simply Pass Through Walls And So On. But Please Note: Trees, Walls Or Other Obstacles Will Shorten The Range.
RF Remote Control Uses RF Technology And Stable Signal. The Signal From The Wireless RF Switch Can Be Routed To Walls, Floors And Doors, And Continuously Control The Receiver From Any Position With A Reliable Distance. The Product Has 3 Working Modes, Self-Lock, Jog Mode, Interlock Mode.
The Controller Has A Feedback Function And Will Send A Feedback Signal To The Remote Control After Receiving The Signal.

Specifications:
Working Voltage: DC10V~24V
Receive Sensitivity: -130dbm
Reference Distance: 5000m
Maximum Load: 7A/Each Channel
Modulation Method: FSK+Lora
Wireless Frequency: 434mhz

Three Working Modes
Working Mode: Jog, Self-Locking, Interlock
Function: Feedback Enabled
Jogging: Press The A Button On The Remote Control To Output Channel 1. Release The Button To Stop Channel 1
Self Locking: Press And Release The A Key On The Remote Control, Channel 1 Will Output. Press The A Key Again, Channel 1 Will Stop Interlocking: Press The A Key On The Remote Control, Channel 1 Will Output, And Other Channels Will Stop. Press The B Key On The Remote Control, Channel 2 Will Output, And Other Channels Will Stop. The Feedback Function Can Be Turned On Or Off As Needed

Package Includes:
1pcs Transmitter
1pcs Remote Control