This Mitsubishi remote control, model 939P309A1, is perfect for controlling your VCR models HSU31, HSU51, and HSU61 within a 5-10 meter range. Its wireless and infrared features provide convenience, while its black color complements any home entertainment setup. The remote control unit is sold as a single unit and does not include batteries. It is compatible with Mitsubishi brand and model specifications and is an ideal accessory for enhancing your viewing experience.