This item is no longer needed as the main unit has been disposed of. There's no battery leakage, and it's in pretty good condition. Although I haven't been able to confirm its operation with the main unit, I have confirmed that it emits infrared light from each button when batteries are inserted. 【High-Function Remote Control】 SONY's RMT-V502C is a high-function remote control that can centrally manage video and DVD operations. With its versatile button layout, it allows for intuitive operation, especially convenient for watching movies and recording. 【User-Friendly Design】 The ergonomic design fits comfortably in your hand, making it easy to use for extended periods without fatigue. 【Easy Battery Replacement】 You can easily replace the AA batteries by simply removing the cover on the back. - Brand: SONY - Model Number: RMT-V502C - Type: Remote Control - Function: Video DVD Control - Battery Type: AA batteries Thank you for viewing.