8885 IR Remote Control: The 8885 IR Remote Control operates on 4 different channels enabling the use of 4 models being controlled at the same time. Control up to 8 different for Power Functions with one remote by connecting 2 for Power Functions to 4 different receivers each. The reaching distance of the infra-red RC system is at least 10m. Requires 3 AAA (1.5V) batteries, not included. 8884 IR Receiver: 2 terminal small receiving main control (2 motor output)2 terminal small receiving main control (2 motor output). Power function IR RC system runs on 4 different channels, allowing you to control 4 different models at the same time. The infrared receiver has 2 outputs, can connect up to 2 different power functions. The reach of the infrared remote control system is at least 10m. Material:plastic colour: Package Contents: 1 x IR Remote Control 8885 1 x Receiver 8884 Only the above package content, other products are not included. Note: Light 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.