Operating frequency: 433MHz Coding format: EV1527 Number of buttons: 2 This remote control uses model 2 x AA batteries, in order to transport considerations, we do not ship with batteries, you need to prepare their own batteries. Thank you for your understanding. Please note: This item is for professionals only, non-professionals please do not purchase. This remote control is not copy function, it is just a normal remote control with EV1527 chip. Color: orange Material: ABS+silica gel Package Contents: 1 x Wireless Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Waterproof Remote Control Waterproof Transmitter High Power Remote Control