Long distance: Powerful channel remote control signals can pass through walls, floors, and doors to control the receiver from any position within a safe distance. The maximum range is up to 98 feet / 30 meters and is accessible.Security control: The learning code offers high security due to the low repetition rate and relearn mode, allowing cancellation of the old code and relearning of the new code if the remote control is lost. It can support up to 16 different remote encodings.Mode of operation: On/off control unit with 4CH 433MHz radio and 2 transmitters. Direction/reverse, start/stop control device. The switch is self-locking and interlocked.Unique design: The wireless remote control is easy to install and operate, with stable and reliable performance and high receiving sensitivity (>-105dBm). The remote control switch uses wireless coding technology, ensuring no signal interference or directional issues.Excellent application: Wireless remote control applications include home automation systems such as windows, entrances, garage doors, alarm systems, lifting devices, and more.Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!