Two Modes: Self locking mode(Self holding) and momentary mode (Self resetting) are freely switchable and can be selected according to different applications. Factory set to self-locking mode, if you need to switch to instantaneous mode, please refer to the manual. Easy Installation. Connect the input end of the receiver to the power supply and the output end to the load equipment, that is, complete the installation. Wireless Control: RF wireless relay remote control switch, which uses 433MHz frequency radio frequency technology, has strong signal that can pass through walls, floors and doors, can control the motor forward or reverse by remote control within 168ft under accessibility. Widely Application: Small size, Can be installed in a small space, widely used in linear actuators, garage doors, traction winches, conveyors, electric awnings, electric curtains, forward and backward motors and any applications with forward and reverse motion capabilities. This 433MHz RF forward reverse switch, can remotely control the positive and negative rotation of DC motor through a remote controller. Stable and reliable performance with high reception sensitivity. Working voltage DC 5V to 48V, rated current 10A. How to use self locking mode? 1. Press remote control "up" button once, the motor rotates positively; press remote "stop" button, the motor stops rotating. 2. Press remote control "down" button once, the motor will rotate in the reverse direction; press remote control "stop" button, the motor will stop rotating. How to use momentary mode? 1. Press remote control "up" button once, the motor rotates positively once, release "up" button, the motor stops rotating; 2. Press remote control "up" button again, the motor rotates positively once again, release "up" button, the motor stops rotating. 3. Press and hold the "up" button, the motor rotates continuously. 4. The same principle applies to the "down" button. How to change to self locking mode Step 1: Press and hold the pr