SDQ5PIR-REM Infra-Red Remote Control for SDQ5PIR SetThe SDQ5PIR REM is an infrared remote control for the successful Apart SDQ5P speaker set. This wireless remote control is especially handy as the speaker set controls are on the back of the active speaker, and both speakers are mostly wall mounted, often high in a corner. The IR receiver eye is in the front grille of the active speaker. Product Specifications Length in mm: 86 Depth in mm: 7 Battery: CR2025 Width in mm: 40 Net weight: 18g