Product Description: 4 Channel Wireless Transmitter and Receiver Set Unlock the potential of your photography and videography with our powerful 4 Channel Wireless Transmitter and Receiver Set. This versatile system is designed for seamless operation, featuring a compact 23A 12V mini battery-powered transmitter and two AC-powered receivers (requires 2 x 1.5V AAA batteries, not included). Key Features: - Outdoor Range: Enjoy a maximum operating distance of up to 30 meters (90 feet) in open areas, ensuring reliable performance for outdoor shoots. - Indoor Range: Achieve a maximum distance of 25 meters (75 feet) indoors, perfect for studio settings. - Channel Options: Choose from 4 channels to avoid interference and ensure a stable connection. - Frequency: Operates at a frequency of 433MHz for optimal performance. - Synchronous Speed: Experience fast response times with a maximum synchronous speed of 1/250 second. - Durable Construction: Made from high-quality metal and plastic, this set is built to withstand the rigors of professional use. - Sleek Design: Available in a stylish black color that complements any setup. Package Includes: - 1 x 4 Channel Transmitter - 2 x 4 Channel Receivers - 1 x PC Sync Cord (2.5mm to PC) - 1 x User Manual (English) Important Notes: 1. This trigger does not support TTL function. 2. The package includes only the trigger set and sync cord. Elevate your shooting experience with our reliable and efficient 4 Channel Wireless Transmitter and Receiver Set. Perfect for photographers and videographers looking for a dependable wireless solution!