Setting up and resetting is very simple. There are three operating modes to choose from (instantaneous/switching/locking mode). Press button ▲, the motor rotate in the forward direction; Press button ▼, and this motor rotate in the opposite direction. Press button ▄, and this motor stop. 433MHz wireless remote control switch. It can wirelessly control the forward and reverse rotation of DC motors. Stable and reliable performance, high receiving sensitivity (>-97dBm). Strong signals can pass through walls, floors, and doors. It can be controlled within a distance of 20 to 50 meters. This receiver can be easily connected to a DC motor. Each receiver can store approximately 20 transmitters. A transmitter can also control multiple receivers. Several remote control kits can be used in the same room without interfering with each other (except for use in momentary mode). High quality relays that can be used over 100000 times. Make this product more and stable to use. The rated resistance load of the relay is 10A (inductive load is 5A). Therefore, even if the current is unstable, the product can still perform well. The receiver is suitable for DC 12V~80V voltage, making it more flexible to use. The product can be used in homes, farms, factories, offices, laboratories, supermarkets, cars, etc. You can remotely operate the DC motor forward and backward through the remote control. Such as garage doors, electric doors, rolling shutter doors, retractable doors and electric curtains, motors, etc., Manufacturer: Jnchdghwa