General description This High Power Wireless Remote Control features an EV1527 chip, designed for professional use. It operates at a frequency of 433MHz and has a maximum transmitting distance of 2000 meters. The remote control is equipped with four buttons and does not support copying functions. Technical specifications Operating voltage: DC9V Transmit current: 55mA Transmit power: 22dBm Transmitting distance: 2000m Operating frequency: 433MHz Coding format: EV1527 Battery: 9V Button: 4 Button Other information Material: ABS + nylon fiber Color: orange Package Contents: 1 x Wireless Remote Control Measurement allowed error: +/- 1-3cm Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.